GRANDFATHER'S BAG IS LINK IN CHAIN OF HISTORY.
D005190:Family; D005194:Family Practice; D058006:General Practice; D006664:History; D049673:History, 20th Century; D006801:Humans; D008511:Medicine; D014481:United States
GENERAL PRACTICE; HISTORY; HISTORY OF MEDICINE, 20TH CENT.; UNITED STATES