共 21 条
[2]
ALBRITTON RB, 1978, POLICY ANAL, V4, P1
[3]
BUSSEY, 1977, LANCET, V2, P970
[4]
Bussey A L, 1979, Community Med, V1, P29, DOI 10.1007/BF02548740
[5]
CREESE AL, 1980, B WORLD HEALTH ORGAN, V58, P491
[6]
FRANK JA, 1981, JAMA-J AM MED ASSOC, V245, P264
[7]
MILLER C, 1980, BRIT MED J, P1451