共 16 条
[1]
CLAYTON AJ, 1977, B WORLD HEALTH ORGAN, V55, P435
[4]
FISHERHOCH SP, 1985, LANCET, V2, P1227
[5]
FRAME JD, 1984, T ROY SOC TROP MED H, V78, P319, DOI 10.1016/0035-9203(84)90107-X