共 8 条
[1]
BLUM LH, 1950, AM J DIS CHILD, V80, P238
[2]
CHRISTIE AV, 1939, PUB HLTH NURSING, V31, P486
[3]
SCHLESINGER E, 1947, NEW YORK STATE J MED, V27, P23
[4]
STORY LS, 1940, PUB HLTH NURSING, V32, P539
[5]
WEGMAN ME, 1945, AJPH, V35, P715
[6]
1941, US CHILDRENS BUREAU, V261
[7]
1945, CHILD HLTH RECORD IN
[8]
1939, MANUAL PUBLIC HLTH N