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- maternal and child health journal16
- mmwr. morbidity and mortality weekly report13
- morbidity and mortality weekly report. surveillance summaries (washington, d.c. : 2002)6
- american journal of obstetrics and gynecology5
- american journal of public health5
- journal of women's health (2002)5
- mmwr. surveillance summaries4
- pediatrics4
- journal of perinatology : official journal of the california perinatal association3