共 26 条
[21]
PRATA AR, 1976, PAN AM HLTH ORG PUBL, V318, P191
[22]
Pugliese C, 1976, Rev Inst Med Trop Sao Paulo, V18, P191
[23]
PUIGBO JJ, 1968, B WORLD HEALTH ORGAN, V39, P341
[25]
ROTHMAN KJ, 1979, NIH791649 PUBL, P25
[26]
VOLLER A, 1975, LANCET, V1, P426