Purdue University scientists isolated it from layers of tissue called small-intestine submucosa, or SIS, after they discovered more than a ... SIS also has been used to make effective repairs to ...

Colovesical fistula (CVF) is an abnormal connection between the colon and the bladder, often resulting from diverticular disease, cancer, or previous surgical interventions. This condition can ...

obstetric fistula is a devastating childbirth injury that affects millions of young women. The condition leaves women unable to control their bladder and bowels, caused by prolonged and obstructed ...