R. L. Lindenmeyer, L. Farias, T. Mendonça, J. B. Fortes Filho, R. S. Procianoy, and R. C. Silveira, “Intraocular pressure in very low birth weight preterm infants and its association with postconceptional age”, Clinics, vol. 67, no. 11, pp. 1241–1245, Nov. 2012, doi: 10.6061/clinics/2012(11)03.