Responses to ragweed-pollen nasal challenge before and after immunotherapy.
Creticos PS, Marsh DG, Proud D, Kagey-Sobotka A, Adkinson NF, Friedhoff L, Naclerio RM, Lichtenstein LM, Norman PS. Responses to ragweed-pollen nasal challenge before and after immunotherapy. J Allergy Clin Immunol. 1989 Aug; 84(2):197-205.