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Efficacy and Tolerability of Theobromine in Patients with Upper Airway Cough Syndrome: A Multicenter, Double-Blind, Randomized, Active Drug Comparative Study
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Young Ha Kim, Soo Whan Kim, Chang Hoon Kim, Kyung Soo Kim, Tae Hoon Kim, Heung Man Lee, Jin Hee Cho
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J Rhinol. 2011;18(2):128-134. Published online November 30, 2011
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