DEVICE QUACKERY IN AMERICA.
D006664:History; D006666:History of Medicine; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011781:Quackery; D014481:United States
HISTORY; HISTORY OF MEDICINE; HISTORY OF MEDICINE, 19TH CENT.; HISTORY OF MEDICINE, 20TH CENT.; QUACKERY; UNITED STATES