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Meyer-Wittkopf M, Cook A, McLennan A, Summers P, Sharland GK, Maxwell DJ.Meyer-Wittkopf M, et al. Among authors: maxwell dj.Ultrasound Obstet Gynecol. 1996 Nov;8(5):303-8. doi: 10.1046/j.1469-0705.1996.08050303.x.Ultrasound Obstet Gynecol. 1996.PMID: 8978001Free article.