共 22 条
[1]
BRUNHAM RC, 1992, REPROD BIOL, P35
[2]
BUVE A, 1993, HEALTH POLICY PLANN, V8, P277, DOI 10.1093/heapol/8.3.277
[3]
CHANG Wen-Pin., 1962, Ethiopian Medical Journal, V1, P9
[4]
COLTON T, 1974, STAT MED, P162
[5]
DESCHRYVER A, 1990, B WORLD HEALTH ORGAN, V68, P639
[6]
FANTAHUN M, 1992, ETHIOP J HEALTH DEV, V6, P17
[7]
FELEKE W, 1990, ETHIOP J HEALTH DEV, V4, P143
[8]
FRIEDMANN PS, 1977, BRIT J VENER DIS, V53, P273
[9]
GEDEBOU M, 1987, J TROP MED HYG, V90, P301
[10]
HIRA SK, 1990, GENITOURIN MED, V66, P159