Armenda, S., T. Wibowo, and M. Sitaresmi. “Growth and Development in an Extremely Low Birth Weight Infant With Osteopenia of Prematurity: A Case Report”. Paediatrica Indonesiana, Vol. 62, no. 2, Mar. 2022, pp. 143-8, doi:10.14238/pi62.2.2022.143-8.