The incidence of respiratory allergy; as disclosed in a survey of 37,497 persons, 1949-1950.
D006801:Humans; D006967:Hypersensitivity; D007154:Immune System Diseases; D015994:Incidence; D012130:Respiratory Hypersensitivity; D012137:Respiratory System; D012140:Respiratory Tract Diseases
ALLERGY/manifestations; RESPIRATORY TRACT/diseases