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Grimmer SF, Allen WL, Back DJ, Breckenridge AM, Orme M, Tjia J.Grimmer SF, et al. Among authors: back dj.Contraception. 1983 Jul;28(1):53-9. doi: 10.1016/s0010-7824(83)80005-5.Contraception. 1983.PMID: 6414761
Orme M, Back DJ.Orme M, et al. Among authors: back dj.Adv Contracept. 1991 Dec;7(4):325-31. doi: 10.1007/BF02340178.Adv Contracept. 1991.PMID: 1776556Review.
Grimmer SF, Back DJ, Orme ML, Cowie A, Gilmore I, Tjia J.Grimmer SF, et al. Among authors: back dj.Contraception. 1986 Jan;33(1):51-9. doi: 10.1016/0010-7824(86)90032-6.Contraception. 1986.PMID: 3082591Clinical Trial.
el-Raghy I, Back DJ, Osman F, Orme ML, Fathalla M.el-Raghy I, et al. Among authors: back dj.Contraception. 1986 Apr;33(4):373-7. doi: 10.1016/0010-7824(86)90099-5.Contraception. 1986.PMID: 3089682
el-Raghy I, Back DJ, Makeram M, Salem H, Osman F, Fathalla M, Orme ML.el-Raghy I, et al. Among authors: back dj.Contraception. 1986 Apr;33(4):379-84. doi: 10.1016/0010-7824(86)90100-9.Contraception. 1986.PMID: 3089683Clinical Trial.