APA (7th ed.) Citation

LR, S., GR, M., & EA, S. (1993). Sulfasalazine revisited: A meta-analysis of 5-aminosalicylic acid in the treatment of ulcerative colitis. Annals of internal medicine, 118(7), 540. https://doi.org/10.7326/0003-4819-118-7-199304010-00009

Chicago Style (17th ed.) Citation

LR, Sutherland, May GR, and Shaffer EA. "Sulfasalazine Revisited: A Meta-analysis of 5-aminosalicylic Acid in the Treatment of Ulcerative Colitis." Annals of Internal Medicine 118, no. 7 (1993): 540. https://doi.org/10.7326/0003-4819-118-7-199304010-00009.

MLA (9th ed.) Citation

LR, Sutherland, et al. "Sulfasalazine Revisited: A Meta-analysis of 5-aminosalicylic Acid in the Treatment of Ulcerative Colitis." Annals of Internal Medicine, vol. 118, no. 7, 1993, p. 540, https://doi.org/10.7326/0003-4819-118-7-199304010-00009.