TY  - RPRT
TI  - Face validity.
AU  - S D Thomas
AU  - D K Hathaway
AU  - K L Arheart
PY  - 1992
DO  - 10.1177/019394599201400111
UR  - https://pubmed.ncbi.nlm.nih.gov/1546473/
ID  - 1546473
ER  -