Images in emergency medicine. Bilateral tubal ectopic pregnancies.

MLA

O’Neill GM, et al. “Images in Emergency Medicine. Bilateral Tubal Ectopic Pregnancies.” Annals of Emergency Medicine, vol. 50, no. 4, Oct. 2007, pp. e1-2. EBSCOhost, https://doi.org/10.1016/j.annemergmed.2007.06.002.

APA

O’Neill GM, Costantino TG, Karras D, O’Neill, G. M., Costantino, T. G., & Karras, D. (2007). Images in emergency medicine. Bilateral tubal ectopic pregnancies. Annals of Emergency Medicine, 50(4), e1-2. https://doi.org/10.1016/j.annemergmed.2007.06.002

Chicago

O’Neill GM, Costantino TG, Karras D, Gerald M O’Neill, Thomas G Costantino, and David Karras. 2007. “Images in Emergency Medicine. Bilateral Tubal Ectopic Pregnancies.” Annals of Emergency Medicine 50 (4): e1-2. doi:10.1016/j.annemergmed.2007.06.002.