Calcium and vitamin d requirements of enterally fed preterm infants.

MLA

Abrams, Steven A. “Calcium and Vitamin d Requirements of Enterally Fed Preterm Infants.” Pediatrics, vol. 131, no. 5, May 2013, pp. e1676–83. EBSCOhost, https://doi.org/10.1542/peds.2013-0420.

APA

Abrams, S. A. (2013). Calcium and vitamin d requirements of enterally fed preterm infants. Pediatrics, 131(5), e1676–e1683. https://doi.org/10.1542/peds.2013-0420

Chicago

Abrams, Steven A. 2013. “Calcium and Vitamin d Requirements of Enterally Fed Preterm Infants.” Pediatrics 131 (5): e1676–83. doi:10.1542/peds.2013-0420.