Guidelines for clinical trials in Helicobacter pylori infection : Working Party of the European Helicobacter pylori : study group.
Card's contents:GUIDELINES 304.538 Guidelines for clinical trials in Helicobacter pylori infection : Working Party of the European Helicobacter pylori : study group. - [London : BMJ Publ.Group, 1997]. - [2], 23 s. ; 30 cm. - (Gut, 0017-5749 ; vol.41, suppl. nr 2)