Cite
Is Crohn's disease caused by a mycobacterium? Comparisons with leprosy, tuberculosis, and Johne's disease.
MLA
Greenstein, Robert J. “Is Crohn’s Disease Caused by a Mycobacterium? Comparisons with Leprosy, Tuberculosis, and Johne’s Disease.” The Lancet. Infectious Diseases, vol. 3, no. 8, Aug. 2003, pp. 507–14. EBSCOhost, https://doi.org/10.1016/s1473-3099(03)00724-2.
APA
Greenstein, R. J. (2003). Is Crohn’s disease caused by a mycobacterium? Comparisons with leprosy, tuberculosis, and Johne’s disease. The Lancet. Infectious Diseases, 3(8), 507–514. https://doi.org/10.1016/s1473-3099(03)00724-2
Chicago
Greenstein, Robert J. 2003. “Is Crohn’s Disease Caused by a Mycobacterium? Comparisons with Leprosy, Tuberculosis, and Johne’s Disease.” The Lancet. Infectious Diseases 3 (8): 507–14. doi:10.1016/s1473-3099(03)00724-2.