title: Epidemiology of lead poisoning in New Haven children--operational factors.
mesh_terms: D001741:Black or African American; D003237:Connecticut; D004651:Employment; D005006:Ethnicity; D005191:Family Characteristics; D006547:Hernia / Q000453:epidemiology; D006798:Housing; D006801:Humans; D007855:Lead Poisoning / Q000453:epidemiology*; D010287:Parent-Child Relations; D011014:Pneumonia / Q000453:epidemiology; D012494:Sampling Studies; D012959:Socioeconomic Factors