The opsiphylactic treatment of ragweed pollinosis. XXV. Clinical results as noted in 427 previously untreated and 1224 previously treated patients.
D000485:Allergens; D031164:Ambrosia; D006801:Humans; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal
D000485:Allergens
HAY FEVER; POLLEN