title: Emeritus, old age, William Osler and William Dock.
authors.forename: Tsung O
authors.initials: TO
authors.lastname: Cheng
mesh_terms: D000375:Aging; D005180:Faculty, Medical / Q000266:history*; D005197:Famous Persons; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011643:Publishing / Q000266:history*; D012179:Retirement / Q000266:history*