共 19 条
[1]
BAIRD D, 1969, PERINATAL PROBLEMS, pCH11
[2]
Butler NR, 1963, PERINATAL MORTALITY
[3]
BUTLER NR, 1969, PERINATAL PROBLEMS
[6]
EVALUATION OF DIFFERENT APPROACHES TO OBSTETRIC CARE .1.
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1976, 83 (12)
:921-929
[7]
FAIRWEATHER DV, 1966, LANCET, V1, P140
[9]
ASSESSMENT OF OBSTETRIC FLYING SQUAD IN AN URBAN AREA
[J].
BMJ-BRITISH MEDICAL JOURNAL,
1976, 1 (6007)
:446-448