AU - lams JD TI - CUrrent status of prematurity prevention PT - JOUR DP - 1989 TA - JAMA pages = {265-266}, VI - 262 IP - 2 AID - 10.1001/jama.1989.03430020107041 [doi] 4100 - http://dx.doi.org/10.1001/jama.1989.03430020107041 SO - JAMA July 14, 1989 262(2):265