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Spitz IM, LeRoith D, Livshin Y, Zylber-Haran E, Trestian S, Laufer N, Ron M, Palti Z, Schenker J.Spitz IM, et al.Fertil Steril. 1980 Dec;34(6):573-80. doi: 10.1016/s0015-0282(16)45198-8.Fertil Steril. 1980.PMID: 6778717Free article.
Spitz IM, Lavie P, Calderon N, Gordon CR, Oksenberg A, Ron M, Laufer N, Livshin Y, Schenker J.Spitz IM, et al.Metabolism. 1982 Jan;31(1):10-3.Metabolism. 1982.PMID: 6804744
Birkenfeld A, Navot D, Levij IS, Laufer N, Beier-Hellwig K, Goecke C, Schenker JG, Beier HM.Birkenfeld A, et al. Among authors: schenker jg.Fertil Steril. 1986 Apr;45(4):462-8.Fertil Steril. 1986.PMID: 3956765Free article.