H2 antagonist and omeprazole nonresponders.
V
V
Savarino
G S
GS
Mela
S
S
Vigneri
G
G
Celle
D004381:Duodenal Ulcer / Q000188:drug therapy*; D005260:Female; D006635:Histamine H2 Antagonists / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009853:Omeprazole / Q000627:therapeutic use*
D006635:Histamine H2 Antagonists; D009853:Omeprazole