Grass pollen and asthma.
Ciprandi
G
G
Buscaglia
S
S
Cerqueti
P M
PM
Cosimi
M
M
Canonica
G W
GW
D003233:Conjunctivitis, Allergic / Q000453:epidemiology* / Q000473:pathology; D006801:Humans; D006109:Poaceae; D011058:Pollen; D012720:Severity of Illness Index