TY - RPRT TI - Re: percutaneous nephrolithotomy: an innovative extraction technique. AU - S J Antoon AU - L H Koster PY - 1978 DO - 10.1016/s0022-5347(17)57599-0 UR - https://pubmed.ncbi.nlm.nih.gov/660751/ ID - 660751 ER -