TY  - RPRT
TI  - A permanent sputum-induction cubicle.
AU  - M G Betten
AU  - M D Newberry
PY  - 1968
DO  - 10.1164/arrd.1968.98.4.711
UR  - https://pubmed.ncbi.nlm.nih.gov/5677158/
ID  - 5677158
ER  -