Vitamins and trace elements in the seriously ill patient.
D006801:Humans; D009747:Nutritional Physiological Phenomena; D013514:Surgical Procedures, Operative; D014131:Trace Elements; D014801:Vitamin A / Q000378:metabolism; D014815:Vitamins / Q000627:therapeutic use
D014131:Trace Elements; D014815:Vitamins; D014801:Vitamin A