On the changing patterns of pediatric practice.
D001208:Asia; D002170:Canada; D002648:Child; D002654:Child Care; D002675:Child, Preschool; D004501:Education, Medical; D005060:Europe; D005194:Family Practice; D006123:Group Practice; D049672:History, 19th Century; D049673:History, 20th Century; D006699:Home Care Services; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007883:Legislation, Medical; D010372:Pediatrics / Q000193:education / Q000266:history; D010817:Physician-Patient Relations; D012924:Social Conditions; D012936:Social Medicine; D013222:State Medicine; D014481:United States