共 143 条
[112]
SULZER AJ, 1975, B WORLD HEALTH ORGAN, V52, P273
[113]
THORNER RM, 1961, 846 PUBL HLTH SERV P
[116]
VANDERKAAY H, 1975, THESIS LEIDEN U
[118]
VINAYAK VK, 1975, J TROP MED HYG, V78, P63
[119]
VOLLER A, 1968, B WORLD HEALTH ORGAN, V39, P883