The Bristol quadruplets. Twenty-four year history.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004522:Educational Status; D004739:England; D005260:Female; D005500:Follow-Up Studies; D006128:Growth; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007360:Intelligence; D011247:Pregnancy; D011783:Quadruplets; D012931:Social Environment