Gastroenterology.
Ransohoff
D F
DF
University of North Carolina, Chapel Hill.
D017081:Cholecystectomy, Laparoscopic / Q000639:trends; D003110:Colonic Neoplasms / Q000517:prevention & control; D004381:Duodenal Ulcer / Q000382:microbiology / Q000628:therapy; D005762:Gastroenterology / Q000639:trends*; D016481:Helicobacter Infections / Q000503:physiopathology; D016480:Helicobacter pylori; D006801:Humans; D014481:United States