@misc{indiciae469169895680, title = {Grass pollen, thunderstorms and asthma.}, author = {R B Knox}, year = {1993}, doi = {10.1111/j.1365-2222.1993.tb00339.x}, url = {https://pubmed.ncbi.nlm.nih.gov/8334534/}, note = {Source identifier: 8334534} }