Cheng CF, Zerzan JC, Johnson DB, Juul SE. Zinc protoporphyrin-to-heme ratios in high-risk and preterm infants. J Pediatr. 2012 Jul;161(1):81-7.e1. Epub 2012 Feb 4.
Cheng CF, Zerzan JC, Johnson DB, Juul SE. Zinc protoporphyrin-to-heme ratios in high-risk and preterm infants. J Pediatr. 2012 Jul;161(1):81-7.e1. Epub 2012 Feb 4.