Dyfyniad APA

Poorolajal, J., Alafchi, B., Najafi Vosoogh, R., Hamzeh, S., & Ghahramani, M. (2014). Risk factors for maternal mortality in the west of Iran: A nested case-control study. Epidemiol Health.

Dyfyniad Arddull Chicago

Poorolajal, Jalal, Behnaz Alafchi, Roya Najafi Vosoogh, Sahar Hamzeh, and Masoomeh Ghahramani. "Risk Factors for Maternal Mortality in the West of Iran: A Nested Case-control Study." Epidemiol Health 2014.

Dyfyniad MLA

Poorolajal, Jalal, et al. "Risk Factors for Maternal Mortality in the West of Iran: A Nested Case-control Study." Epidemiol Health 2014.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.