title: BK viruria and hemorrhagic cystitis.
mesh_terms: D001739:BK Virus / Q000302:isolation & purification*; D016026:Bone Marrow Transplantation; D003556:Cystitis / Q000382:microbiology*; D006470:Hemorrhage / Q000382:microbiology; D006801:Humans; D011120:Polyomavirus / Q000302:isolation & purification*; D011183:Postoperative Complications; D014556:Urine / Q000382:microbiology*