KA, A., AM, A., CL, P., MG, T., BJ, C., & BM, F. (1994). The use of high-efficiency particulate air-filter respirators to protect hospital workers from tuberculosis. A cost-effectiveness analysis. The New England journal of medicine, 331(3), 169. https://doi.org/10.1056/NEJM199407213310306
Chicago Style (17th ed.) CitationKA, Adal, Anglim AM, Palumbo CL, Titus MG, Coyner BJ, and Farr BM. "The Use of High-efficiency Particulate Air-filter Respirators to Protect Hospital Workers from Tuberculosis. A Cost-effectiveness Analysis." The New England Journal of Medicine 331, no. 3 (1994): 169. https://doi.org/10.1056/NEJM199407213310306.
MLA (9th ed.) CitationKA, Adal, et al. "The Use of High-efficiency Particulate Air-filter Respirators to Protect Hospital Workers from Tuberculosis. A Cost-effectiveness Analysis." The New England Journal of Medicine, vol. 331, no. 3, 1994, p. 169, https://doi.org/10.1056/NEJM199407213310306.