LM, H., A, A., R, E., S, B., DJ, R., & AP, B. (2002). Comparison of a needle-free high-pressure injection system with needle-tipped injection of intracavernosal alprostadil for erectile dysfunction. International journal of impotence research, 14(6), 498. https://doi.org/10.1038/sj.ijir.3900916
Chicago Style (17th ed.) CitationLM, Harding, Adeniyi A, Everson R, Barker S, Ralph DJ, and Baranowski AP. "Comparison of a Needle-free High-pressure Injection System with Needle-tipped Injection of Intracavernosal Alprostadil for Erectile Dysfunction." International Journal of Impotence Research 14, no. 6 (2002): 498. https://doi.org/10.1038/sj.ijir.3900916.
MLA (9th ed.) CitationLM, Harding, et al. "Comparison of a Needle-free High-pressure Injection System with Needle-tipped Injection of Intracavernosal Alprostadil for Erectile Dysfunction." International Journal of Impotence Research, vol. 14, no. 6, 2002, p. 498, https://doi.org/10.1038/sj.ijir.3900916.