共 13 条
[1]
HEADY JA, 1959, STUDIES MEDICAL P 15
[2]
KARN MN, 1933, BIOMETRIKA, V25, P92
[3]
MORRIS JN, 1945, LANCET, V1, P743
[4]
PRENATAL-CARE IN METROPOLITAN BOSTON
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1958, 48 (09)
:1115-1124
[5]
FURTHER OBSERVATIONS ON PREMATURITY AND PERINATAL-MORTALITY IN A GENERAL-POPULATION AND IN THE POPULATION OF A PREPAID GROUP-PRACTICE MEDICAL-CARE PLAN
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1960, 50 (09)
:1304-1317
[6]
INTERNATIONAL TRENDS IN INFANT-MORTALITY AND THEIR IMPLICATIONS FOR UNITED-STATES
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1963, 53 (05)
:747-&
[7]
TOVERUD KU, 1949, NORD MED, V41, P922
[8]
WOODHALL B, 1957, Geriatrics, V12, P586
[9]
1960, HISTORICALOSTATISTIC
[10]
1964, 1961 VIT STAT UN S A, V2