The duty to "attend upon the sick'.
Clarke
O W
OW
Conley
R B
RB
D000163:Acquired Immunodeficiency Syndrome / Q000628:therapy*; D000574:American Medical Association; D001291:Attitude of Health Personnel; D004992:Ethics, Medical; D015658:HIV Infections / Q000628:therapy; D006801:Humans; D007396:Internship and Residency; D028681:Moral Obligations; D010560:Personnel Selection; D010821:Physicians, Family / Q000523:psychology; D016079:Refusal to Treat; D014481:United States