共 17 条
- [1] BUTLER NR, 1969, PERINATAL PROBLEMS
- [2] CORNFIELD J, 1951, J NATL CANCER I, V11, P1269
- [3] Cox D. R., 1989, BIOMETRICS, V32, DOI DOI 10.2307/2531476
- [6] MCGLEW T, 1979, THEMES FAMILY PLANNI, P1
- [7] SCOTTISH PERINATAL-MORTALITY SURVEY [J]. BMJ-BRITISH MEDICAL JOURNAL, 1979, 2 (6198): : 1103 - 1106
- [8] *NAT BIRTHD TRUST, 1975, 1970 BRIT BIRTHS, V1
- [9] *NAT MED CONS COMM, 1980, WALK REP
- [10] *OFF POP CENS SURV, 1981, MON