TY  - RPRT
TI  - Cognitive research improves questionnaires.
AU  - J B Jobe
AU  - D J Mingay
PY  - 1989
DO  - 10.2105/ajph.79.8.1053
UR  - https://pubmed.ncbi.nlm.nih.gov/2751028/
ID  - 2751028
ER  -