Community health aides: how effective are they?
D002140:California; D002648:Child; D002675:Child, Preschool; D003150:Community Health Workers; D005260:Female; D006266:Health Education; D006701:Home Nursing / Q000193:education; D006801:Humans; D008297:Male; D010290:Parents; D010348:Patient Care Team; D010820:Physicians; D011637:Public Health Nursing; D012141:Respiratory Tract Infections; D012380:Role; D012959:Socioeconomic Factors