Martin-Facklam, M., Kostrzewa, M., Martin, P., & Haefeli, W. E. (2004). Quality of drug information on the World Wide Web and strategies to improve pages with poor information quality: An intervention study on pages about sildenafil. British journal of clinical pharmacology, 57(1), . https://doi.org/https://doi.org/10.1046/j.1365-2125.2003.01954.x
Chicago-Zitierstil (17. Ausg.)Martin-Facklam, Meret, Michael Kostrzewa, Peter Martin, und Walter E. Haefeli. "Quality of Drug Information on the World Wide Web and Strategies to Improve Pages with Poor Information Quality: An Intervention Study on Pages About Sildenafil." British Journal of Clinical Pharmacology 57, no. 1 (2004). https://doi.org/https://doi.org/10.1046/j.1365-2125.2003.01954.x.
MLA-Zitierstil (9. Ausg.)Martin-Facklam, Meret, et al. "Quality of Drug Information on the World Wide Web and Strategies to Improve Pages with Poor Information Quality: An Intervention Study on Pages About Sildenafil." British Journal of Clinical Pharmacology, vol. 57, no. 1, 2004, https://doi.org/https://doi.org/10.1046/j.1365-2125.2003.01954.x.