共 18 条
[1]
ABDULLAH AK, 1982, 7TH P SAUD MED M
[2]
Al-Ankary K., 1989, URBAN RURAL PROFILES, p[3, 45]
[3]
[Anonymous], 1976, NATURAL HIST CHRONIC
[5]
Becklake M.R., 1989, AM REV RESPIR DIS S, V140, P85
[7]
ELAKKAD SM, 1986, CANCER, V58, P1172, DOI 10.1002/1097-0142(19860901)58:5<1172::AID-CNCR2820580533>3.0.CO
[8]
2-1
[9]
HOLLAND WW, 1965, LANCET, V1, P444