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Title Author(s) Journal Nature Retracted Citations Actions
Comparative effects of vitamin K and vitamin D supplementation on prevention of…
Biology - Cellular Toxicology +1
Jun Iwamoto, James K Yeh et al.
Bone
Elsevier
Retraction Feb 27, 2023
46
Differential effect of treadmill exercise on three cancellous bone sites in the…
Biochemistry Biology - Cellular +2
Jun Iwamoto, James K Yeh et al.
Bone
Elsevier
Expression of concern Jun 17, 2022
166
Effect of Deconditioning on Cortical and Cancellous Bone Growth in the Exercise…
Biochemistry Biology - Cellular +1
Jun Iwamoto, James K Yeh et al.
Journal of Bone and Mineral Resear…
Wiley
Retraction Apr 8, 2020
55
Beneficial effects of combined administration of alendronate and alfacalcidol o…
Biology - Cellular Toxicology +1
Jun Iwamoto, Tsuyoshi Takeda et al.
Journal of Nutritional Science and…
Center for Academic Publ…
Retraction Feb 29, 2020
6
Comparative effects of risedronate and calcitriol on cancellous bone in rats wi…
Biology - Cellular Toxicology +1
Jun Iwamoto, Azusa Seki et al.
Journal of Nutritional Science and…
Center for Academic Publ…
Retraction Feb 29, 2020
9
Response of cortical and cancellous bones to mild calcium deficiency in young g…
Biochemistry Biology - Cellular +1
Jun Iwamoto, Tsuyoshi Takeda et al.
Experimental Animals
Japanese Association for…
Retraction Aug 14, 2019
13
Preventive effects of risedronate and calcitriol on cancellous osteopenia in ra…
Biochemistry Biology - Cellular +1
Jun Iwamoto, Azusa Seki et al.
Experimental Animals
Japanese Association for…
Retraction Aug 14, 2019
15
Effects of Vitamin K-2 Administration on Calcium Balance and Bone Mass in Young…
Biochemistry Biology - Cellular +2
Jun Iwamoto, James K Yeh et al.
Hormone Research in Paediatrics
Karger
Retraction May 24, 2019
5
Effects of Vitamin D Supplementation on Calcium Balance and Bone Growth in Youn…
Biology - Cellular Nutrition +2
Jun Iwamoto, James K Yeh et al.
Hormone Research in Paediatrics
Karger
Retraction May 24, 2019
11
Effects of combined administration of alfacalcidol and risedronate on cancellou…
Biology - Cellular Toxicology +1
Jun Iwamoto, Azusa Seki et al.
Chinese Journal of Physiology
Wolters Kluwer - Medknow
Retraction Apr 25, 2019
0
Effects of alfacalcidol on cancellous and cortical bone mass in rats treated wi…
Biochemistry Toxicology +1
Jun Iwamoto, Azusa Seki et al.
Journal of Nutritional Science and…
Center for Academic Publ…
Retraction Feb 28, 2019
9
Beneficial effect of pretreatment and treatment continuation with risedronate a…
Biochemistry Toxicology +2
Jun Iwamoto, Tsuyoshi Takeda et al.
Journal of Nutritional Science and…
Center for Academic Publ…
Retraction Feb 28, 2019
3
Comparative therapeutic effects of alendronate and alfacalcidol on cancellous a…
Biochemistry Toxicology +2
Jun Iwamoto, Azusa Seki et al.
Journal of Nutritional Science and…
Center for Academic Publ…
Retraction Feb 28, 2019
9
Effect of risedronate on the cortical and cancellous bone mass and mechanical p…
Biochemistry Toxicology +2
Jun Iwamoto, Azusa Seki et al.
Journal of Nutritional Science and…
Center for Academic Publ…
Retraction Feb 28, 2019
10
Comparative effects of vitamin K and vitamin D supplementation on calcium balan…
Biochemistry Nutrition +1
Jun Iwamoto, James K Yeh et al.
Journal of Nutritional Science and…
Center for Academic Publ…
Retraction Feb 28, 2019
1
Differential Effect of Vitamin K and Vitamin D Supplementation on Bone Mass in …
Biochemistry Biology - Cellular +2
Jun Iwamoto, Tsuyoshi Takeda et al.
Yonsei Medical Journal
Yonsei University Colleg…
Retraction Dec 13, 2018
6
Effect of pre- and post-surgery treatment with risedronate on trabecular bone l…
Biochemistry Biology - Cellular +3
Jun Iwamoto, Tsuyoshi Takeda et al.
Experimental Animals
Japanese Association for…
Retraction Jul 30, 2018
2
Comparative effects of alendronate and alfacalcidol on cancellous and cortical …
Biochemistry Biology - Cellular +3
Jun Iwamoto, Azusa Seki et al.
Experimental Animals
Japanese Association for…
Retraction Jul 30, 2018
5
Therapeutic effect of risedronate on cancellous and cortical bone in ovariectom…
Biochemistry Biology - Cellular +3
Jun Iwamoto, Azusa Seki et al.
Experimental Animals
Japanese Association for…
Retraction Jul 30, 2018
3
Comparison of the Effect of Vitamin K2 and Risedronate on Trabecular Bone in Gl…
Biology - Cellular Medicine - Orthoped… +1
Jun Iwamoto, Hideo Matsumoto et al.
Yonsei Medical Journal
Yonsei University Colleg…
Retraction Nov 29, 2017
7
Comparative effects of vitamin K and vitamin D supplementation on prevention of osteopenia in calcium-deficient young r…
Retraction
Jun Iwamoto , James K Yeh , Tsuyoshi Takeda et al.
Bone ( Elsevier )
Biology - Cellular Toxicology Medicine - Orthopedics
Concerns/Issues About Authorship/Affili… Concerns/Issues About Data +1 more
46 citations
Open Access
DOI
Retraction: Feb 27, 2023
Published: Aug 09, 2003
2.7 years years since retraction
Differential effect of treadmill exercise on three cancellous bone sites in the young growing rat
Expression of concern
Jun Iwamoto , James K Yeh , John F Aloia
Bone ( Elsevier )
Biochemistry Biology - Cellular Medicine - Orthopedics +1 more
Concerns/Issues About Data Concerns/Issues about Referencing/Attri… +2 more
166 citations
Open Access
DOI
Expression of concern: Jun 17, 2022
Published: Feb 15, 1999
3.4 years years since retraction
Effect of Deconditioning on Cortical and Cancellous Bone Growth in the Exercise Trained Young Rats
Retraction
Jun Iwamoto , James K Yeh , John F Aloia
Journal of Bone and Mineral Research: the Official Journal … ( Wiley )
Biochemistry Biology - Cellular Medicine - Orthopedics
Duplication of/in Article Duplication of Data +3 more
55 citations
Open Access
DOI
Retraction: Apr 08, 2020
Published: Dec 02, 2009
5.6 years years since retraction
Beneficial effects of combined administration of alendronate and alfacalcidol on cancellous bone mass of the tibia in o…
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Hideo Matsumoto et al.
Journal of Nutritional Science and Vitaminology ( Center for Academic Publicati… )
Biology - Cellular Toxicology Medicine - Orthopedics
Duplication of/in Article
6 citations
Open Access
DOI
Retraction: Feb 29, 2020
Published: Feb 01, 2008
5.7 years years since retraction
Comparative effects of risedronate and calcitriol on cancellous bone in rats with glucocorticoid-induced osteopenia
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Journal of Nutritional Science and Vitaminology ( Center for Academic Publicati… )
Biology - Cellular Toxicology Medicine - Orthopedics
Duplication of/in Article
9 citations
Open Access
DOI
Retraction: Feb 29, 2020
Published: Feb 01, 2006
5.7 years years since retraction
Response of cortical and cancellous bones to mild calcium deficiency in young growing female rats: a bone histomorphome…
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato et al.
Experimental Animals ( Japanese Association for Labo… )
Biochemistry Biology - Cellular Toxicology
Duplication of/in Article
13 citations
Open Access
DOI
Retraction: Aug 14, 2019
Published: Aug 04, 2004
6.3 years years since retraction
Preventive effects of risedronate and calcitriol on cancellous osteopenia in rats treated with high-dose glucocorticoid.
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Experimental Animals ( Japanese Association for Labo… )
Biochemistry Biology - Cellular Toxicology
Duplication of/in Article
15 citations
Open Access
DOI
Retraction: Aug 14, 2019
Published: Aug 01, 2006
6.3 years years since retraction
Effects of Vitamin K-2 Administration on Calcium Balance and Bone Mass in Young Rats Fed Normal or Low Calcium Diet
Retraction
Jun Iwamoto , James K Yeh , Tsuyoshi Takeda et al.
Hormone Research in Paediatrics ( Karger )
Biochemistry Biology - Cellular Nutrition +1 more
Concerns/Issues About Data Investigation by Company/Institution +2 more
5 citations
Open Access
DOI
Retraction: May 24, 2019
Published: May 09, 2005
6.5 years years since retraction
Effects of Vitamin D Supplementation on Calcium Balance and Bone Growth in Young Rats Fed Normal or Low Calcium Diet
Retraction
Jun Iwamoto , James K Yeh , Tsuyoshi Takeda et al.
Hormone Research in Paediatrics ( Karger )
Biology - Cellular Nutrition Toxicology +1 more
Concerns/Issues About Data Misconduct - Official Investigation(s) … +1 more
11 citations
Open Access
DOI
Retraction: May 24, 2019
Published: Mar 17, 2004
6.5 years years since retraction
Effects of combined administration of alfacalcidol and risedronate on cancellous and cortical bone mass of the tibia in…
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Chinese Journal of Physiology ( Wolters Kluwer - Medknow )
Biology - Cellular Toxicology Medicine - Orthopedics
Concerns/Issues About Authorship/Affili… Concerns/Issues About Data +1 more
0 citations
Open Access
DOI
Retraction: Apr 25, 2019
Published: Jun 30, 2008
6.6 years years since retraction
Effects of alfacalcidol on cancellous and cortical bone mass in rats treated with glucocorticoid: a bone histomorphomet…
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Journal of Nutritional Science and Vitaminology ( Center for Academic Publicati… )
Biochemistry Toxicology Medicine - Orthopedics
Duplication of/in Article
9 citations
Open Access
DOI
Retraction: Feb 28, 2019
Published: Jun 01, 2007
6.7 years years since retraction
Beneficial effect of pretreatment and treatment continuation with risedronate and vitamin K2 on cancellous bone loss af…
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato et al.
Journal of Nutritional Science and Vitaminology ( Center for Academic Publicati… )
Biochemistry Toxicology Medicine - Obstetrics/Gynecol… +1 more
Duplication of/in Article
3 citations
Open Access
DOI
Retraction: Feb 28, 2019
Published: Oct 01, 2006
6.7 years years since retraction
Comparative therapeutic effects of alendronate and alfacalcidol on cancellous and cortical bone mass and mechanical pro…
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Journal of Nutritional Science and Vitaminology ( Center for Academic Publicati… )
Biochemistry Toxicology Medicine - Obstetrics/Gynecol… +1 more
Duplication of/in Article
9 citations
Open Access
DOI
Retraction: Feb 28, 2019
Published: Feb 01, 2006
6.7 years years since retraction
Effect of risedronate on the cortical and cancellous bone mass and mechanical properties in ovariectomized rats: a comp…
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Journal of Nutritional Science and Vitaminology ( Center for Academic Publicati… )
Biochemistry Toxicology Medicine - Obstetrics/Gynecol… +1 more
Duplication of/in Article
10 citations
Open Access
DOI
Retraction: Feb 28, 2019
Published: Dec 01, 2006
6.7 years years since retraction
Comparative effects of vitamin K and vitamin D supplementation on calcium balance in young rats fed normal or low calci…
Retraction
Jun Iwamoto , James K Yeh , Tsuyoshi Takeda et al.
Journal of Nutritional Science and Vitaminology ( Center for Academic Publicati… )
Biochemistry Nutrition Toxicology
Duplication of/in Article
1 citations
Open Access
DOI
Retraction: Feb 28, 2019
Published: Aug 01, 2005
6.7 years years since retraction
Differential Effect of Vitamin K and Vitamin D Supplementation on Bone Mass in Young Rats Fed Normal or Low Calcium Diet
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Shoichi Ichimura et al.
Yonsei Medical Journal ( Yonsei University College of … )
Biochemistry Biology - Cellular Nutrition +1 more
Duplication of Data Investigation by Company/Institution +2 more
6 citations
Open Access
DOI
Retraction: Dec 13, 2018
Published: Feb 17, 2009
6.9 years years since retraction
Effect of pre- and post-surgery treatment with risedronate on trabecular bone loss in ovariectomized rats
Retraction
Jun Iwamoto , Tsuyoshi Takeda , Yoshihiro Sato et al.
Experimental Animals ( Japanese Association for Labo… )
Biochemistry Biology - Cellular Biology - Molecular +2 more
Duplication of/in Article Investigation by Company/Institution +2 more
2 citations
Open Access
DOI
Retraction: Jul 30, 2018
Published: Nov 08, 2006
7.3 years years since retraction
Comparative effects of alendronate and alfacalcidol on cancellous and cortical bone mass and bone mechanical properties…
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Experimental Animals ( Japanese Association for Labo… )
Biochemistry Biology - Cellular Biology - Molecular +2 more
Duplication of/in Article Investigation by Company/Institution +2 more
5 citations
Open Access
DOI
Retraction: Jul 30, 2018
Published: Aug 01, 2006
7.3 years years since retraction
Therapeutic effect of risedronate on cancellous and cortical bone in ovariectomized osteopenic rats: a comparison with …
Retraction
Jun Iwamoto , Azusa Seki , Tsuyoshi Takeda et al.
Experimental Animals ( Japanese Association for Labo… )
Biochemistry Biology - Cellular Biology - Molecular +2 more
Duplication of/in Article Investigation by Company/Institution +2 more
3 citations
Open Access
DOI
Retraction: Jul 30, 2018
Published: Aug 01, 2006
7.3 years years since retraction
Comparison of the Effect of Vitamin K2 and Risedronate on Trabecular Bone in Glucocorticoid-Treated Rats: A Bone Histom…
Retraction
Jun Iwamoto , Hideo Matsumoto , Tsuyoshi Tadeda et al.
Yonsei Medical Journal ( Yonsei University College of … )
Biology - Cellular Medicine - Orthopedics Medicine - Rehabilitation/The…
Duplication of Data Investigation by Company/Institution +3 more
7 citations
Open Access
DOI
Retraction: Nov 29, 2017
Published: Apr 30, 2009
8.0 years years since retraction