Dr. William Worrall Mayo's legacy to his sons.
Nelson
C W
CW
Mayo Clinic, Rochester, MN 55905, USA.
D049672:History, 19th Century; D049673:History, 20th Century; D006792:House Calls; D006801:Humans; D010808:Physical Examination / Q000266:history*; D011320:Primary Health Care / Q000266:history; D014481:United States