共 16 条
[1]
*CA AL CTY HLTH CA, INF MORT AL CO HLTH
[2]
CHASE HC, 1977, EPIDEMIOLOGY PREMATU
[5]
GARN SM, 1977, EPIDEMIOLOGY PREMATU
[7]
HARDY JB, 1977, EPIDEMIOLOGY PREMATU
[8]
PREVENTION OF LOW BIRTH-WEIGHT AND PRE-TERM BIRTH - LITERATURE-REVIEW AND SUGGESTIONS FOR RESEARCH POLICY
[J].
MILBANK MEMORIAL FUND QUARTERLY-HEALTH AND SOCIETY,
1978, 56 (03)
:339-361
[9]
KALTREIDER F, 1980, CLIN OBSTET GYNECOL, V23, P17
[10]
KLEINMAN JC, 1981, DHHS PHS821232 PUB