BALACHANDRA, Shashilekha, et al. “PRENATAL DIAGNOSIS OF CONGENITAL DIAPHRAGMATIC HERNIA BY ULTRASONOGRAPHY: A CASE REPORT”. The ASEAN Journal of Radiology, vol. 3, no. 3, Dec. 1997, pp. 237-40, https://www.asean-journal-radiology.org/index.php/ajr/article/view/392.