The incidence of positive intradermal reactions and the demonstration of skin sensitizing antibody to extracts of ragweed and dust in humans without history of rhinitis or asthma.
D031164:Ambrosia; D001249:Asthma; D004391:Dust; D006801:Humans; D015994:Incidence; D011058:Pollen; D012220:Rhinitis
D004391:Dust
POLLEN/extracts