Cite
Photodynamic therapy for colorectal cancer: a quantitative pilot study.
MLA
Barr, H., et al. “Photodynamic Therapy for Colorectal Cancer: A Quantitative Pilot Study.” The British Journal of Surgery, vol. 77, no. 1, Jan. 1990, pp. 93–96. EBSCOhost, https://doi.org/10.1002/bjs.1800770132.
APA
Barr, H., Krasner, N., Boulos, P. B., Chatlani, P., & Bown, S. G. (1990). Photodynamic therapy for colorectal cancer: a quantitative pilot study. The British Journal of Surgery, 77(1), 93–96. https://doi.org/10.1002/bjs.1800770132
Chicago
Barr, H, N Krasner, P B Boulos, P Chatlani, and S G Bown. 1990. “Photodynamic Therapy for Colorectal Cancer: A Quantitative Pilot Study.” The British Journal of Surgery 77 (1): 93–96. doi:10.1002/bjs.1800770132.