Surgical management outcome and its associated factors among intestinal obstruction patients admitted to adult surgical ward of Wollega University Referral Hospital, Ethiopia - Shama, Adisu Tafari; Terefa, Olana; Gadisa, Iyasu; Feyera, Gemechu; Tamiru, Getnet; Terefa, Dufera Rikitu; Merdassa, Emiru (BMC Surgery, 2023)