TY - RPRT TI - A prospective randomized study comparing a catheter-valve with a standard drainage system. AU - C Wilson AU - S S Sandhu AU - A V Kaisary PY - 1997 DO - 10.1046/j.1464-410x.1997.00473.x UR - https://pubmed.ncbi.nlm.nih.gov/9439409/ ID - 9439409 ER -