The relation of stroke admissions to recent weather, airborne allergens, air pollution, seasons, upper respiratory infections, and asthma incidence, September 11, 2001, and day of the week.
Low RB, Bielory L, Qureshi AI, Dunn V, Stuhlmiller DF, Dickey DA. Stroke. 2006 Apr; 37(4):951-7. Epub 2006 Mar 9.