TY  - RPRT
TI  - [Refractoriness on repeated methacholine provocation test].
AU  - W J Su
AU  - G M Shiao
AU  - S C Chang
AU  - R P Perng
PY  - 1988
UR  - https://pubmed.ncbi.nlm.nih.gov/3048602/
ID  - 3048602
ER  -