Social factors in the health of families : a public health social work responsibility : proceedings, March 23-26, 1986, University Inn, Pittsburgh, PA / sponsored by University of Pittsburgh, Graduate School of Public Health, Department of Health Services Administration, Public Health Social Work Program, and Division of Maternal and Child Health, Bureau of Health Care Delivery and Assistance, Health Resources and Services Administration, Department of Health and Human Services ; editor, Gerald C. St. Denis.