ESTUDIO SISTEMATICO DE LOS TREMATODOS PARASITOS DE LOS AJOLOTES DE MEXICO
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Universidad Nacional Autónoma de Mexico, CD MEXICO, DF, MEX
Abstract
Prophylactic use of BCG vaccine vs tuberculosis in Mexico is urged The epidemiology of tuberculosis is discussed and the results of immunization of children elsewhere are reviewed The vaccine is considered as to therapeutic hazard, effectiveness, an