TY  - RPRT
TI  - [Negative contrast in x-ray computed tomography. Preliminary study].
AU  - A Reck
AU  - A Eisenscher
AU  - G Prevot
AU  - P Salze
AU  - D Weisse
PY  - 1987
UR  - https://pubmed.ncbi.nlm.nih.gov/3446817/
ID  - 3446817
ER  -