共 19 条
[11]
PRESSER HB, 1970, REPORTS POPULATION F
[12]
1970, REGISTRAR GENERALS A
[13]
1977, LANCET, V2, P727
[14]
1960, REGISTRAR GENERALS A
[15]
1875, REGISTRAR GENERALS A
[16]
1978, WHO619 TECHN REP SER
[17]
1975, REGISTRAR GENERALS A
[18]
1950, REGISTRAR GENERALS A
[19]
1978, GYNAECOLOGICAL LAPAR