TY  - RPRT
TI  - Geometric errors in measurements on x-ray films. A methodologic study on lateral model exposures.
AU  - O Krogstad
AU  - E Kvam
PY  - 1971
DO  - 10.3109/00016357109026514
UR  - https://pubmed.ncbi.nlm.nih.gov/5283993/
ID  - 5283993
ER  -