Oncology at the bicentennial of the United States of America.
D002273:Carcinogens; D049672:History, 19th Century; D049673:History, 20th Century; D009368:Neoplasm Transplantation / Q000266:history; D009369:Neoplasms / Q000175:diagnosis / Q000266:history* / Q000517:prevention & control; D009374:Neoplasms, Experimental / Q000266:history; D014481:United States
D002273:Carcinogens