1.
San José; Asociación Demográfica Costarricense; 1990. 200 p. ilus.
Monography
in Spanish
| LILACS
| ID: lil-130238
Subject(s)
Humans , Male , Female , Adolescent , Adult , Middle Aged , Acquired Immunodeficiency Syndrome , Sanitary Surveys, Water Supply , Sex Education , Sexually Transmitted Diseases , Costa Rica , HIV , Statistics
2.
Rev. costarric. cienc. méd
;
9(3): 107-14, sept. 1988. ilus
Article
in Spanish
| LILACS
| ID: lil-81072