Coming of age.
D000368:Aged; D000375:Aging; D000818:Animals; D005762:Gastroenterology / Q000193:education; D006801:Humans; D007388:Internal Medicine / Q000193:education*; D008099:Liver / Q000378:metabolism / Q000473:pathology; D008107:Liver Diseases / Q000209:etiology; D010506:Periodicals as Topic; D012955:Societies, Medical / Q000458:organization & administration*