[Classification of ulcerous lesions and gastroduodenal ulcers].
Volkov
V S
VS
Lazdin
O A
OA
D004386:Duodenum / Q000473:pathology; D006801:Humans; D010437:Peptic Ulcer / Q000145:classification* / Q000473:pathology; D013270:Stomach / Q000473:pathology
O klassifikatsii iazvennykh porazheniĭ i iazvennoi bolezni zheludka i dvenadtsatiperstnoĭ kishki.