TY  - RPRT
TI  - Calculus disease in the upper urinary tract.
AU  - E O Singh
AU  - R S Malek
PY  - 1982
DO  - 10.1016/0037-198x(82)90033-5
UR  - https://pubmed.ncbi.nlm.nih.gov/7089593/
ID  - 7089593
ER  -