Cita APA

Baker, A. M., Haeri, S., Camargo, C. A., Stuebe, A. M., & Boggess, K. A. (2011). A Nested Case-Control Study of First-Trimester Maternal Vitamin D Status and Risk for Spontaneous Preterm Birth. Am J Perinatol.

Chicago Style Citation

Baker, Arthur M., Sina Haeri, Carlos A. Camargo, Alison M. Stuebe, i Kim A. Boggess. "A Nested Case-Control Study of First-Trimester Maternal Vitamin D Status and Risk for Spontaneous Preterm Birth." Am J Perinatol 2011.

Cita MLA

Baker, Arthur M., et al. "A Nested Case-Control Study of First-Trimester Maternal Vitamin D Status and Risk for Spontaneous Preterm Birth." Am J Perinatol 2011.