Use of emergency room services by the population of a neighborhood health center.
D001290:Attitude; D002648:Child; D002675:Child, Preschool; D003153:Community Health Services / Q000706:statistics & numerical data*; D004632:Emergency Medical Services / Q000706:statistics & numerical data*; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D005006:Ethnicity; D006801:Humans; D008404:Massachusetts; D044469:Racial Groups; D012111:Residence Characteristics; D013997:Time Factors