World Health Organization The work of WHO 1986-87 : biannual report of the director-general to the world health assembly and to the U.N. - - Geneva W H O 1988 - 250 p. 27 cm. - . W H O-Report ISBN: 92 4 156113 0 Subjects--Topical Terms: W H O-Report Dewey Class. No.: WA22 / WHO