TY  - RPRT
TI  - Non-opaque calculus demonstrated by computerized tomography.
AU  - A J Alter
AU  - D T Peterson
AU  - A C Plautz
PY  - 1979
DO  - 10.1016/s0022-5347(17)56563-5
UR  - https://pubmed.ncbi.nlm.nih.gov/501832/
ID  - 501832
ER  -