The (not so) good old days.
Linton
Otha
O
D049673:History, 20th Century; D006801:Humans; D007396:Internship and Residency / Q000191:economics / Q000266:history*; D011871:Radiology / Q000193:education / Q000266:history*; D013337:Students, Medical / Q000266:history; D014481:United States