Organized medicine didn't always oppose NHI.
D000574:American Medical Association; D001291:Attitude of Health Personnel; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007348:Insurance, Health / Q000266:history* / Q000331:legislation & jurisprudence; D009310:National Health Insurance, United States / Q000266:history* / Q000331:legislation & jurisprudence; D014481:United States