TY  - RPRT
TI  - Asthma in runners.
AU  - H Tikkanen
AU  - I Helenius
PY  - 1994
DO  - 10.1136/bmj.309.6961.1087
UR  - https://pubmed.ncbi.nlm.nih.gov/7950759/
ID  - 7950759
ER  -