1. Cavernous Hemangioma of the Gallbladder: a Case Report
   Jae Hwi Park et al, 2019, Investigative Magnetic Resonance Imaging CrossRef
2. Ultrasonographic Appearance of Gallbladder Neoplasia in 14 Dogs and 1 Cat
   Alexandra N. MacLeod et al, 2023, Veterinary Radiology & Ultrasound CrossRef