机构:
Georgetown Univ, Sch Nursing & Hlth Studies, Grad Nurse Midwifery Program, Washington, DC 20057 USA
Coalit Improving Matern Serv, Washington, DC USA
Int MotherBaby Childbirth Org, Washington, DC USAGeorgetown Univ, Sch Nursing & Hlth Studies, Grad Nurse Midwifery Program, Washington, DC 20057 USA