Etilogic Determinants of Abruptio Placentae.

MLA

Kramer, Michael S., et al. “Etilogic Determinants of Abruptio Placentae.” Obstetrics & Gynecology, vol. 89, no. 2, Feb. 1997, pp. 221–26. EBSCOhost, https://doi.org/10.1016/s0029-7844(96)00478-4.

APA

Kramer, M. S., Usher, R. H., Pollack, R., Boyd, M., & Usher, S. (1997). Etilogic Determinants of Abruptio Placentae. Obstetrics & Gynecology, 89(2), 221–226. https://doi.org/10.1016/s0029-7844(96)00478-4

Chicago

Kramer, Michael S., Robert H. Usher, Raphael Pollack, Mark Boyd, and Susan Usher. 1997. “Etilogic Determinants of Abruptio Placentae.” Obstetrics & Gynecology 89 (2): 221–26. doi:10.1016/s0029-7844(96)00478-4.