Clinical evaluation of 245 ragweed-sensitive patients treated with precipitated pyridine ragweed complex.
D031164:Ambrosia; D006801:Humans; D010936:Plant Extracts; D011058:Pollen / Q000628:therapy*; D011725:Pyridines / Q000628:therapy*; D006255:Rhinitis, Allergic, Seasonal
D010936:Plant Extracts; D011725:Pyridines; C023666:pyridine
HAY FEVER; PLANTS/extracts; POLLEN/therapy; PYRIDINES/therapy