Gernand, A. D., Klebanoff, M. A., Simhan, H. N., & Bodnar, L. M. (2014). Maternal vitamin D status, prolonged labor, and cesarean and instrumental delivery in an era with a low cesarean rate. J Perinatol.
استشهاد بنمط شيكاغوGernand, Alison D., Mark A. Klebanoff, Hyagriv N. Simhan, و Lisa M. Bodnar. "Maternal Vitamin D Status, Prolonged Labor, and Cesarean and Instrumental Delivery in an Era With a Low Cesarean Rate." J Perinatol 2014.
MLA استشهادGernand, Alison D., Mark A. Klebanoff, Hyagriv N. Simhan, و Lisa M. Bodnar. "Maternal Vitamin D Status, Prolonged Labor, and Cesarean and Instrumental Delivery in an Era With a Low Cesarean Rate." J Perinatol 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.