[Amino acids and vitamin B12 in the differential radiological diagnosis of benign ulcer and malignant ulcer].
D000596:Amino Acids; D045728:Corrinoids; D003937:Diagnosis, Differential; D006801:Humans; D011871:Radiology; D013274:Stomach Neoplasms; D013276:Stomach Ulcer; D014456:Ulcer; D014805:Vitamin B 12; D014803:Vitamin B Complex
D000596:Amino Acids; D045728:Corrinoids; D014803:Vitamin B Complex; D014805:Vitamin B 12
AMINO ACIDS; STOMACH NEOPLASMS; STOMACH ULCER; VITAMIN B 12