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Edwards LE, Hellerstedt WL, Alton IR, Story M, Himes JH.Edwards LE, et al.Obstet Gynecol. 1996 Mar;87(3):389-94. doi: 10.1016/0029-7844(95)00446-7.Obstet Gynecol. 1996.PMID: 8598961
Hellerstedt WL, Himes JH, Story M, Alton IR, Edwards LE.Hellerstedt WL, et al. Among authors: edwards le.Am J Public Health. 1997 Apr;87(4):591-6. doi: 10.2105/ajph.87.4.591.Am J Public Health. 1997.PMID: 9146437Free PMC article.
Edwards LE, Alton IR, Barrada MI, Hakanson EY.Edwards LE, et al.Am J Obstet Gynecol. 1979 Oct 1;135(3):297-302. doi: 10.1016/0002-9378(79)90693-8.Am J Obstet Gynecol. 1979.PMID: 484616