Anemia is not a risk factor for developing pulmonary embolism.

MLA

Harringa, John B., et al. “Anemia Is Not a Risk Factor for Developing Pulmonary Embolism.” The American Journal of Emergency Medicine, vol. 35, no. 1, Jan. 2017, pp. 146–49. EBSCOhost, https://doi.org/10.1016/j.ajem.2016.09.068.

APA

Harringa, J. B., Bracken, R. L., Nagle, S. K., Schiebler, M. L., Patterson, B. W., Svenson, J. E., & Repplinger, M. D. (2017). Anemia is not a risk factor for developing pulmonary embolism. The American Journal of Emergency Medicine, 35(1), 146–149. https://doi.org/10.1016/j.ajem.2016.09.068

Chicago

Harringa, John B, Rebecca L Bracken, Scott K Nagle, Mark L Schiebler, Brian W Patterson, James E Svenson, and Michael D Repplinger. 2017. “Anemia Is Not a Risk Factor for Developing Pulmonary Embolism.” The American Journal of Emergency Medicine 35 (1): 146–49. doi:10.1016/j.ajem.2016.09.068.