27201World Health: the magazine of the World Health Organization: May 1989 [full issue]: reach out of healthJournal articles · 1 mai 1989
27208World Health: the magazine of the World Health Organization: April 1989 [full issue]: ethics and healthJournal articles · 1 avril 1989
27211World Health: the magazine of the World Health Organization: March 1989 [full issue]: youth of todayJournal articles · 1 mars 1989
27220Honduras : alternativas para la educación y la práctica médica en Centroamérica / Raúl Felipe CálixJournal articles · 1 janvier 1989