Nutrition in cancer: physicians' knowledge, opinions, and educational needs.
D001291:Attitude of Health Personnel; D003376:Counseling; D004501:Education, Medical; D006801:Humans; D009369:Neoplasms / Q000178:diet therapy; D052756:Nutritional Sciences / Q000193:education*; D010353:Patient Education as Topic; D010820:Physicians / Q000523:psychology; D013337:Students, Medical / Q000523:psychology