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- [42] Preterm singleton births - United States, 1989-1996 (Reprinted from MMWR, vol 48, pg 185-189, 1999) JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1999, 281 (15): : 1370 - 1371
- [48] Breech birth at home: outcomes of 60 breech and 109 cephalic planned home and birth center births BMC Pregnancy and Childbirth, 18