Cite
Ankylosing spondylitis and HLA-B27 in Punjabis.
MLA
Khan, M. A. “Ankylosing Spondylitis and HLA-B27 in Punjabis.” Lancet (London, England), vol. 2, no. 8036, Sept. 1977, p. 504. EBSCOhost, https://doi.org/10.1016/s0140-6736(77)91625-7.
APA
Khan, M. A. (1977). Ankylosing spondylitis and HLA-B27 in Punjabis. Lancet (London, England), 2(8036), 504. https://doi.org/10.1016/s0140-6736(77)91625-7
Chicago
Khan, M A. 1977. “Ankylosing Spondylitis and HLA-B27 in Punjabis.” Lancet (London, England) 2 (8036): 504. doi:10.1016/s0140-6736(77)91625-7.