TY  - RPRT
TI  - The effect of projection errors on angular measurements in cephalometry.
AU  - J Ahlqvist
AU  - S Eliasson
AU  - U Welander
PY  - 1988
DO  - 10.1093/ejo/10.4.353
UR  - https://pubmed.ncbi.nlm.nih.gov/3208848/
ID  - 3208848
ER  -