[OCCURRENCE OF AMBROSIA (RAGSEED) IN THE LYONESE REGION. ITS ROLE IN SEPTEMBER POLLINOSIS].
D031164:Ambrosia; D005602:France; D010944:Plants; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal
FRANCE; HAY FEVER; PLANTS; POLLEN
L'APPARITION D'AMBROSIA (RAGWEED) DANS LA R'EGION LYONNAISE. SON R OLE DANS LA POLLINOSE DE SEPTEMBRE.