Friel, J. K., Andrews, W. L., Matthew, J. D., Long, D. R., Cornel, A. M., Cox, M., & Skinner, C. T. (1990). Iron status of very-low-birth-weight infants during the first 15 months of infancy.

Friel, J K., W L. Andrews, J D. Matthew, D R. Long, A M. Cornel, M. Cox, và C T. Skinner. Iron Status of Very-low-birth-weight Infants During the First 15 Months of Infancy. 1990.

Friel, J K., et al. Iron Status of Very-low-birth-weight Infants During the First 15 Months of Infancy. 1990.