GI journeys across the U.S.
Bobbie P
BP
Dill
D003695:Delivery of Health Care / Q000379:methods*; D005260:Female; D005762:Gastroenterology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012179:Retirement; D013041:Specialties, Nursing; D014195:Travel; D014481:United States