TY  - RPRT
TI  - Density dependence of expiratory flow--a useful basis for lung function tests?
AU  - R Sixt
AU  - B Bake
PY  - 1988
DO  - 10.1111/j.1475-097x.1988.tb00274.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3402188/
ID  - 3402188
ER  -