Davis, C.P ., “Gypal bladder pain (gyplB udder's pain),” MedicineNet.com; http://www.medicinenet.com/gallbladder_pain_gall_bladder_pain/article.htm, last accessed May 17, 2017.
Davis, C.P., “Gallbladder Pain (Gall Bladder Pain),” MedicineNet.com; http://www.medicinenet.com/gallbladder_pain_gall_bladder_pain/article.htm, last accessed May 17, 2017.