TY - RPRT TI - A simple loop catheter for ureteric calculus retrieval. AU - S V Kotwal AU - G S Kochhar AU - N P Gupta AU - S M Singh PY - 1985 DO - 10.1111/j.1464-410x.1985.tb06297.x UR - https://pubmed.ncbi.nlm.nih.gov/4027509/ ID - 4027509 ER -