共 8 条
[1]
DRILLIEN CM, 1957, J OBSTET GYNAECOL, V64, P161
[2]
EASTMAN N J, 1947, Am Pract Dig Treat, V1, P343
[4]
MARTIN F. M., 1954, Medical Officer, V92, P263
[5]
POPULATION-CHANGES AND PERINATAL-MORTALITY
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1961, 51 (02)
:208-+
[6]
OUT-OF-WEDLOCK BIRTHS IN NEW YORK CITY - II-MEDICAL ASPECTS
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1961, 51 (06)
:846-&