TY - RPRT TI - Nonvisualized gallbladder by cholecystosonography. AU - W P Harbin AU - J T Ferrucci AU - J Wittenberg AU - R H Kirkpatrick PY - 1979 DO - 10.2214/ajr.132.5.727 UR - https://pubmed.ncbi.nlm.nih.gov/107735/ ID - 107735 ER -