TY  - RPRT
TI  - Initial experience with percutaneous nephrolithotomy: results, problems and complications.
AU  - S E Petersen
AU  - S Olesen
AU  - T M Jørgensen
AU  - H Wolf
PY  - 1987
UR  - https://pubmed.ncbi.nlm.nih.gov/3481463/
ID  - 3481463
ER  -