Penston, J. G. (1990). The efficacy and safety of long-term maintenance treatment of duodenal ulcers with Ranitidine. Univ.-Forl.
Chicago-Zitierstil (17. Ausg.)Penston, James G. The Efficacy and Safety of Long-term Maintenance Treatment of Duodenal Ulcers with Ranitidine. Oslo: Univ.-Forl, 1990.
MLA-Zitierstil (9. Ausg.)Penston, James G. The Efficacy and Safety of Long-term Maintenance Treatment of Duodenal Ulcers with Ranitidine. Univ.-Forl, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.