TY  - RPRT
TI  - Development of objective scoring methods for longitudinal CAT data.
AU  - R L Witherspoon
PY  - 1968
DO  - 10.1080/0091651x.1968.10120509
UR  - https://pubmed.ncbi.nlm.nih.gov/4879250/
ID  - 4879250
ER  -