Masloman, Nurhayati, I. Mustadjab, and Muzief Munir. 1991. “Congenital Malformation at Gunung Wenang Hospital Manado : A Five-Year Spectrum”. Paediatrica Indonesiana 31 (11-12), 294-302. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/1451.