TY  - RPRT
TI  - Non-opaque vesical calculus. A case report.
AU  - K BERY
AU  - S GUPTA
PY  - 1962
DO  - 10.1007/bf02896754
UR  - https://pubmed.ncbi.nlm.nih.gov/13967733/
ID  - 13967733
ER  -