TY  - RPRT
TI  - Prevalence and predictive values.
AU  - G Critchfield
AU  - E Shultz
AU  - K Willard
PY  - 1984
DO  - 10.1093/ajcp/81.3.408
UR  - https://pubmed.ncbi.nlm.nih.gov/6702736/
ID  - 6702736
ER  -