共 15 条
[2]
BILLEWICZ WZ, 1973, BRIT J PREV SOC MED, V27, P49
[4]
DESWEEMER C, 1984, POP STUD-J DEMOG, V38, P47, DOI 10.1080/00324728.1984.10412822
[5]
INFLUENCE OF CHANGES IN MATERNAL AGE, BIRTH-ORDER, AND COLOR ON CHANGING PERINATAL MORTALITY, BALTIMORE, 1961-66
[J].
HEALTH SERVICES REPORT,
1973, 88 (08)
:733-742
[10]
NORTMAN D, 1974, Reports on Population-Family Planning, V16, P1