TY  - RPRT
TI  - Multilevel likelihood ratios for identifying exudative pleural effusions(*).
AU  - John E Heffner
AU  - Steven A Sahn
AU  - Lee K Brown
PY  - 2002
DO  - 10.1378/chest.121.6.1916
UR  - https://pubmed.ncbi.nlm.nih.gov/12065357/
ID  - 12065357
ER  -