APA

Gernand A. D., Simhan H. N., Baca K. M., Caritis S. & Bodnar L. M. (20181211). Vitamin D, pre-eclampsia, and preterm birth among pregnancies at high risk for pre-eclampsia: an analysis of data from a low-dose aspirin trial. : BJOG : an international journal of obstetrics and gynaecology.

Chicago

Gernand A D, Simhan H N, Baca K M, Caritis S and Bodnar L M. 20181211. Vitamin D, pre-eclampsia, and preterm birth among pregnancies at high risk for pre-eclampsia: an analysis of data from a low-dose aspirin trial. : BJOG : an international journal of obstetrics and gynaecology.

Harvard

Gernand A. D., Simhan H. N., Baca K. M., Caritis S. and Bodnar L. M. (20181211). Vitamin D, pre-eclampsia, and preterm birth among pregnancies at high risk for pre-eclampsia: an analysis of data from a low-dose aspirin trial. : BJOG : an international journal of obstetrics and gynaecology.

MLA

Gernand A D, Simhan H N, Baca K M, Caritis S and Bodnar L M. Vitamin D, pre-eclampsia, and preterm birth among pregnancies at high risk for pre-eclampsia: an analysis of data from a low-dose aspirin trial. : BJOG : an international journal of obstetrics and gynaecology. 20181211.