Zea-Vera, Alonso, et al. “Intraventricular Hemorrhage and Periventricular Leukomalacia in Low Birth-Weight Neonates in Three Hospitals in Lima, Peru”. Revista Peruana De Medicina Experimental Y Salud Pública, vol. 36, no. 3, Aug. 2019, pp. 448-53, https://doi.org/10.17843/rpmesp.2019.363.3922.