[Epidemiologic studies on 4 soil-transmitted intestinal nematodes in Costa Rica].
D001200:Ascaris / Q000302:isolation & purification*; D003364:Costa Rica; D006801:Humans; D007411:Intestinal Diseases, Parasitic / Q000453:epidemiology; D009331:Necator / Q000302:isolation & purification*; D009349:Nematode Infections / Q000453:epidemiology; D012987:Soil; D013321:Strongyloides / Q000302:isolation & purification*; D014259:Trichuroidea / Q000302:isolation & purification*
D012987:Soil
Estudios epidemiológicos sobre cuatro nematodos intestinales transmitidos por el suelo en Costa Rica.