共 29 条
[1]
[Anonymous], POPULATION TRENDS
[2]
[Anonymous], CM1986
[3]
BOLDEN KJ, 1980, J MATERNAL CHILD HLT, V5, P256
[4]
BOLDEN KJ, 1980, J MATERNAL CHILD HLT, V5, P258
[5]
BRADSHAW J, 1989, LONE PARENTS POLICY
[6]
Breslow NE, 1980, STAT METHODS CANC RE, V1, DOI DOI 10.1097/00002030-199912240-00009
[7]
Carter Y H, 1995, Inj Prev, V1, P164, DOI 10.1136/ip.1.3.164
[8]
*DEP HLTH SOC SEC, 1974, REP COMM ON PAR FAM
[9]
Douglas J W, 1970, J R Coll Physicians Lond, V4, P203
[10]
Fleming DM, 1996, BRIT J GEN PRACT, V46, P217