_:vb50956654 . _:vb50956654 "url:http://www.mayoclinic.org/diseases-conditions/vesicoureteral-reflux/basics/definition/con-20031544?_ga=1.233953949.2017809229.1415219956"^^ . _:vb50956654 "url:http://en.wikipedia.org/wiki/Vesicoureteral_reflux"^^ . _:vb50956654 . _:vb50956654 . _:vb50956654 . _:vb50956654 "A ureteral disease characterized by backward flow of urine from the urinary bladder into the ureter."^^ . _:vb50956654 "url:http://ghr.nlm.nih.gov/glossary=vesicoureteralreflux"^^ . _:vb50956654 . _:vb50956654 .