TY  - RPRT
TI  - Percutaneous nephrolithotomy: an innovative extraction technique.
AU  - A Karamcheti
AU  - W F O'Donnell
PY  - 1977
DO  - 10.1016/s0022-5347(17)58148-3
UR  - https://pubmed.ncbi.nlm.nih.gov/916071/
ID  - 916071
ER  -