The development of the maternal and child health and crippled children's services in Maryland.
D000293:Adolescent; D000328:Adult; D002648:Child; D002662:Child Health Services / Q000266:history*; D002675:Child, Preschool; D006233:Persons with Disabilities; D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008396:Maryland; D008427:Maternal Health Services / Q000266:history*; D011247:Pregnancy