27184World Health: the magazine of the World Health Organization: October 1989 [full issue]: a worldwide effort will stop it!Journal articles · 1 октября 1989 г.
27187World Health: the magazine of the World Health Organization: August-September 1989 [full issue]: informatics and healthJournal articles · 1 августа 1989 г.
27191World Health: the magazine of the World Health Organization: July 1989 [full issue]: eastern mediterraneanJournal articles · 1 июля 1989 г.
27195World Health: the magazine of the World Health Organization: June 1989 [full issue]: the facts of lifeJournal articles · 1 июня 1989 г.