[Acute respiratory infections in Costa Rica, 1965-1980: frequency, severity and mortality].
D000208:Acute Disease; D002648:Child; D002675:Child, Preschool; D003364:Costa Rica; D006130:Growth Disorders / Q000209:etiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009748:Nutrition Disorders / Q000209:etiology; D012141:Respiratory Tract Infections / Q000150:complications / Q000453:epidemiology* / Q000382:microbiology
Infecciones respiratorias agudas en Costa Rica, 1965-1980: prevalencia, gravedad y letalidad.