TY  - RPRT
TI  - A new aerosol device for bronchial provocation tests.
AU  - H Matthys
AU  - M Knoch
AU  - R Eltschka
PY  - 1993
DO  - 10.1159/000196233
UR  - https://pubmed.ncbi.nlm.nih.gov/8290799/
ID  - 8290799
ER  -