APA

Spadaccini A., De Fanis C., Sciampa G., Masciulli V., Pantaleone U., Di Virgilio M., Magnarini C. & Pizzicannella G. (19970213). Omeprazole versus ranitidine: short-term triple-therapy in patients with Helicobacter pylori-positive duodenal ulcers. : Alimentary pharmacology & therapeutics.

Chicago

Spadaccini A, De Fanis C, Sciampa G, Masciulli V, Pantaleone U, Di Virgilio M, Magnarini C and Pizzicannella G. 19970213. Omeprazole versus ranitidine: short-term triple-therapy in patients with Helicobacter pylori-positive duodenal ulcers. : Alimentary pharmacology & therapeutics.

Harvard

Spadaccini A., De Fanis C., Sciampa G., Masciulli V., Pantaleone U., Di Virgilio M., Magnarini C. and Pizzicannella G. (19970213). Omeprazole versus ranitidine: short-term triple-therapy in patients with Helicobacter pylori-positive duodenal ulcers. : Alimentary pharmacology & therapeutics.

MLA

Spadaccini A, De Fanis C, Sciampa G, Masciulli V, Pantaleone U, Di Virgilio M, Magnarini C and Pizzicannella G. Omeprazole versus ranitidine: short-term triple-therapy in patients with Helicobacter pylori-positive duodenal ulcers. : Alimentary pharmacology & therapeutics. 19970213.