Historical perspective.
Wasserman
Burton S
BS
D003796:Dental Service, Hospital / Q000191:economics / Q000266:history*; D005194:Family Practice / Q000191:economics / Q000193:education / Q000331:legislation & jurisprudence; D005792:General Practice, Dental / Q000191:economics / Q000193:education* / Q000331:legislation & jurisprudence; D049673:History, 20th Century; D006801:Humans; D007396:Internship and Residency / Q000191:economics; D009518:New York; D014146:Training Support; D014481:United States