TY  - RPRT
TI  - Are "predictive values" from different patient materials comparable?
AU  - S Hofvendahl
AU  - W Gerhardt
AU  - L Lungdahl
AU  - J S Olsen
PY  - 1978
UR  - https://pubmed.ncbi.nlm.nih.gov/282785/
ID  - 282785
ER  -