[Panamerican symposium on immunizations organized by the Secretaria de Salubridad y Asistencia].
D000569:Americas; D003140:Communicable Disease Control; D006801:Humans; D007114:Immunization; D008800:Mexico; D014944:World Health Organization
Panamerican symposium on immunizations organized by the Secretaría de Salubridad y Asistencia.