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Chattopadhyay SK, Sengupta BS, Zaidi MH, Edrees YB.Chattopadhyay SK, et al. Among authors: edrees yb.Aust N Z J Obstet Gynaecol. 1987 May;27(2):111-4. doi: 10.1111/j.1479-828x.1987.tb00956.x.Aust N Z J Obstet Gynaecol. 1987.PMID: 3675438