TY  - RPRT
TI  - Observer error in serial radiography.
AU  - A H COUCH
AU  - P H SUTTON
AU  - R S THORPE
PY  - 1956
DO  - 10.1016/s0041-3879(56)80118-9
UR  - https://pubmed.ncbi.nlm.nih.gov/13324959/
ID  - 13324959
ER  -