Health of the nation and gonorrhoea.

Por Vithayathil, K, Tang, A, Isaacson, J R
Publicado em 1994

Pneumococcal vaccine and HIV infection: report of a vaccine failure and reappraisal of its value in clinical practice.

Por Willocks, L J, Vithayathil, K, Tang, A, Noone, A
Publicado em 1995

Pneumococcal vaccine for HIV patients. ...though vaccine's efficacy is unproved.

Por Vithayathil, K., Patel, R., Rowen, D., Willmott, F. E.
Publicado em 1995