Population density and pathology: what are the relations for man?
D003441:Crowding; D005006:Ethnicity; D005298:Fertility; D006801:Humans; D007604:Juvenile Delinquency; D001523:Mental Disorders / Q000209:etiology; D009026:Mortality; D011156:Population Density; D011632:Public Assistance; D012920:Social Behavior Disorders / Q000209:etiology*; D012959:Socioeconomic Factors; D013223:Statistics as Topic; D014481:United States