共 15 条
[2]
CHATTERJEE HN, 1953, LANCET, V2, P1063
[3]
DE LA TORRE J A, 1960, Rev Invest Clin, V12, P577
[4]
DE LA TORRE J A, 1961, Bol Med Hosp Infant Mex, V18, P151
[5]
OLIVERA TORO RAFAEL, 1962, BOL EPIDEMIOL, V26, P17
[6]
OROPEZA P, 1963, COURRIER, V13, P1
[7]
ORTIZ MARIOTTE CARLOS, 1961, BOL EPIDEMIOLOGICO, V25, P104
[9]
Verhoestraete L J, 1958, Bull World Health Organ, V19, P23