共 18 条
[12]
World Health Organization WHO, 1980, WORLD HLTH STAT Q RE, V33, P197
[13]
1983, SAUDI MED J S1, V4
[14]
1983, OPCS DH3831 OFF POP
[15]
1980, REPORT REGISTRATION
[16]
1982, LANCET, V2, P136
[17]
1975, MANUAL INT STATISTIC, V1
[18]
1981, OPCS DH3814 OFF POP