TY  - RPRT
TI  - Percutaneous pyelolithotomy. A new extraction technique.
AU  - I Fernström
AU  - B Johansson
PY  - 1976
DO  - 10.1080/21681805.1976.11882084
UR  - https://pubmed.ncbi.nlm.nih.gov/1006190/
ID  - 1006190
ER  -