Cita APA

Qin, L., Lu, F., Yang, S., Xu, H., & Luo, B. (2016). Does Maternal Vitamin D Deficiency Increase the Risk of Preterm Birth: A Meta-Analysis of Observational Studies. Nutrients.

Citación estilo Chicago

Qin, Lu-Lu, Fang-Guo Lu, Sheng-Hui Yang, Hui-Lan Xu, and Bang-An Luo. "Does Maternal Vitamin D Deficiency Increase the Risk of Preterm Birth: A Meta-Analysis of Observational Studies." Nutrients 2016.

Cita MLA

Qin, Lu-Lu, et al. "Does Maternal Vitamin D Deficiency Increase the Risk of Preterm Birth: A Meta-Analysis of Observational Studies." Nutrients 2016.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.