TY  - RPRT
TI  - Berotec in respiratory function testing.
AU  - T Morony
PY  - 1977
DO  - 10.5694/j.1326-5377.1977.tb99217.x
UR  - https://pubmed.ncbi.nlm.nih.gov/607121/
ID  - 607121
ER  -