APA
Christie J. M., Simmonds M., Patt R., Coluzzi P., Busch M. A., Nordbrock E. & Portenoy R. K. (19981026). Dose-titration, multicenter study of oral transmucosal fentanyl citrate for the treatment of breakthrough pain in cancer patients using transdermal fentanyl for persistent pain. : Journal of clinical oncology : official journal of the American Society of Clinical Oncology.
Chicago
Christie J M, Simmonds M, Patt R, Coluzzi P, Busch M A, Nordbrock E and Portenoy R K. 19981026. Dose-titration, multicenter study of oral transmucosal fentanyl citrate for the treatment of breakthrough pain in cancer patients using transdermal fentanyl for persistent pain. : Journal of clinical oncology : official journal of the American Society of Clinical Oncology.
Harvard
Christie J. M., Simmonds M., Patt R., Coluzzi P., Busch M. A., Nordbrock E. and Portenoy R. K. (19981026). Dose-titration, multicenter study of oral transmucosal fentanyl citrate for the treatment of breakthrough pain in cancer patients using transdermal fentanyl for persistent pain. : Journal of clinical oncology : official journal of the American Society of Clinical Oncology.
MLA
Christie J M, Simmonds M, Patt R, Coluzzi P, Busch M A, Nordbrock E and Portenoy R K. Dose-titration, multicenter study of oral transmucosal fentanyl citrate for the treatment of breakthrough pain in cancer patients using transdermal fentanyl for persistent pain. : Journal of clinical oncology : official journal of the American Society of Clinical Oncology. 19981026.