APA

NUNEZ J., VARGAS-MENDEZ O., GUEVARA E. C., QUIRCE J. M., MONTOYA J. A., DOANY H., MARTINS DA SILVA M. & SHELOKOV A. (19981101). [Vaccination with attenuated poliomyelitis virus in Costa Rica. 2d report on the progress of the study]. : Boletin de la Oficina Sanitaria Panamericana. Pan American Sanitary Bureau.

Chicago

NUNEZ J, VARGAS-MENDEZ O, GUEVARA E C, QUIRCE J M, MONTOYA J A, DOANY H, MARTINS DA SILVA M and SHELOKOV A. 19981101. [Vaccination with attenuated poliomyelitis virus in Costa Rica. 2d report on the progress of the study]. : Boletin de la Oficina Sanitaria Panamericana. Pan American Sanitary Bureau.

Harvard

NUNEZ J., VARGAS-MENDEZ O., GUEVARA E. C., QUIRCE J. M., MONTOYA J. A., DOANY H., MARTINS DA SILVA M. and SHELOKOV A. (19981101). [Vaccination with attenuated poliomyelitis virus in Costa Rica. 2d report on the progress of the study]. : Boletin de la Oficina Sanitaria Panamericana. Pan American Sanitary Bureau.

MLA

NUNEZ J, VARGAS-MENDEZ O, GUEVARA E C, QUIRCE J M, MONTOYA J A, DOANY H, MARTINS DA SILVA M and SHELOKOV A. [Vaccination with attenuated poliomyelitis virus in Costa Rica. 2d report on the progress of the study]. : Boletin de la Oficina Sanitaria Panamericana. Pan American Sanitary Bureau. 19981101.