[Nutrition therapy for cancer].
Theobald
Steffen
S
D004734:Energy Metabolism; D005770:Gastrointestinal Neoplasms / Q000178:diet therapy; D006801:Humans; D009369:Neoplasms / Q000178:diet therapy* / Q000378:metabolism / Q000523:psychology; D018529:Nutritional Support; D010288:Parenteral Nutrition