GREETING SIR I DEVELOP THE NASAL PROBLEM 3 YEAR BACK WITH POLYP WHICH GOT OPERATED 2 TWICE. SINCE THAT I EVEN DEVELOP ASPERGILLUS FUNGAL SINUSITIS AND ALLERGIC TO IT AND GOT OPERATED. NOW I AM ALLERGIC  TO SOME SUBSTANCES WHICH DISTURB ME BOTH PHYSICALLY AND MENTALLY.. I WOULD LIKE TO KNOW THE IMMUNOTHERAPY PROCESS AND ITS GREATNESS TO DEAL WITH THIS ALLERGIC  sudhir keshri
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