Wibowo, Suryo, 		Raharjo, Rudiyuwono, 		Prabowo, Erik, AND 		Wibisono, Agoes.
" 013. Black Stools and Vomiting of Blood in Children Caused by Anemia Gravis ec Duodenal Ulcer Pars 2 with Perforation (Wound Healing with Branch A. Cystica Ruptur)" <em>JBN (Jurnal Bedah Nasional)</em> [Online], Volume 8 Number 2 (30 October 2024)