TY  - RPRT
TI  - Hypersensitivity to pyrazolones.
AU  - M Levy
PY  - 2000
DO  - 10.1136/thorax.55.suppl_2.s72
UR  - https://pubmed.ncbi.nlm.nih.gov/10992566/
ID  - 10992566
ER  -