title: Syphilis survey in Cojutepeque, El Salvador.
authors.forename: R E
authors.initials: RE
authors.lastname: ROTHERMEL
mesh_terms: D001699:Biometry; D003625:Data Collection; D004544:El Salvador; D013587:Syphilis / Q000453:epidemiology* / Q000706:statistics & numerical data*
keywords: SYPHILIS/epidemiology and statistics