Cite
PD-1 and its ligands in T-cell immunity
MLA
Keir, Mary E., et al. “PD-1 and Its Ligands in T-Cell Immunity.” Current Opinion in Immunology, vol. 19, no. 3, June 2007, pp. 309–14. EBSCOhost, https://doi.org/10.1016/j.coi.2007.04.012.
APA
Keir, M. E., Francisco, L. M., & Sharpe, A. H. (2007). PD-1 and its ligands in T-cell immunity. Current Opinion in Immunology, 19(3), 309–314. https://doi.org/10.1016/j.coi.2007.04.012
Chicago
Keir, Mary E, Loise M Francisco, and Arlene H Sharpe. 2007. “PD-1 and Its Ligands in T-Cell Immunity.” Current Opinion in Immunology 19 (3): 309–14. doi:10.1016/j.coi.2007.04.012.