共 98 条
[11]
BUTLER NR, 1969, PERINATAL PROBLEMS
[12]
CALDER AA, 1974, LANCET, V2, P1339
[15]
Clayton K, 1974, Nurs Times, V70, P595
[16]
Cochrane A.L, 1972, EFFECTIVENESS EFFICI, DOI DOI 10.1016/S0033-3506(73)80082-4
[17]
COLE RA, 1975, LANCET, V1, P767
[18]
Comaroff J, 1977, MEDICAL ENCOUNTERS E
[20]
CRAFT I, 1975, 3RD P STUD GROUP ROY, P1