By S A Pera / C F van Niekerk
By Adey Le Roux Wilson
By Dr Alma Baccino-Astrada
By Vera da Cruz
By S A Strauss
By Saunders, Dame Cicely
By The Institute for Cancer Prevention / Elsevier
By Elsevier
By World Health Organization: Stop TB Department
By Giesecke, Johan
By Green, Andrew
By Jekel MD MPH, James F., Katz MD MPH, David L., Wild MD MPH Dr. Med, Dorothea, Elmore MD MPH, Joann G.
By Johnson PhD, Leonard R.
By Gask, Linda, Lester, Helen, Kendrick, Tony, Peveler, Robert
By Hyde, Richard M., Patnode, Robert A.
By Katzung, Bertram G.
By Dale
By Olschewski, Horst, Seeger, Werner
By Vale, J.A., Meredith, T.J.
By Frishman, W.H., Dollery, C.T., Cruickshank, John Malcolm