[ON THE PROBLEM OF ULCER IN THE AGED].
D005743:Gastrectomy; D005853:Geriatrics; D010437:Peptic Ulcer; D013274:Stomach Neoplasms; D014456:Ulcer
GASTRECTOMY; GERIATRICS; PEPTIC ULCER; STOMACH NEOPLASMS
ZUM PROBLEM DES ALTERSULCUS.