APA (7th ed.) Citation

Di Lorenzo, L., Foti, C., Forte, A. M., Palmieri, E., Formisano, R., Vatakencherry, A., & Pappagallo, M. (2010). The Addition of Tramadol as a Second Opioid May Improve Pain Relief in Severe Osteoarthritis: A Prospective Study . Tramadol Plus Strong Opioid in Osteoarthritis. Pain Practice, 10(6), 540. https://doi.org/10.1111/j.1533-2500.2010.00384.x

Chicago Style (17th ed.) Citation

Di Lorenzo, Luigi, Calogero Foti, Alfonso Maria Forte, Enzo Palmieri, Rita Formisano, Abraham Vatakencherry, and Marco Pappagallo. "The Addition of Tramadol as a Second Opioid May Improve Pain Relief in Severe Osteoarthritis: A Prospective Study . Tramadol Plus Strong Opioid in Osteoarthritis." Pain Practice 10, no. 6 (2010): 540. https://doi.org/10.1111/j.1533-2500.2010.00384.x.

MLA (9th ed.) Citation

Di Lorenzo, Luigi, et al. "The Addition of Tramadol as a Second Opioid May Improve Pain Relief in Severe Osteoarthritis: A Prospective Study . Tramadol Plus Strong Opioid in Osteoarthritis." Pain Practice, vol. 10, no. 6, 2010, p. 540, https://doi.org/10.1111/j.1533-2500.2010.00384.x.