[3d meeting of the Spanish Society of Public Health and Health Administration. Bilbao, 25-27 October 1989. Abstracts].
D006298:Health Services Administration; D006801:Humans; D011634:Public Health
3.er congreso de la Sociedad Española de Salud Pública y Administración Sanitaria. Bilbao, 25-27 octobre 1989.