title: Public health nursing: a study of role implementation.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003710:Demography; D005260:Female; D006699:Home Care Services; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009730:Nursing Assessment; D010353:Patient Education as Topic; D011247:Pregnancy; D011637:Public Health Nursing; D014481:United States