Alverine citrate fails to relieve the symptoms of irritable bowel syndrome: results of a double-blind, randomized, placebo-controlled trial - Mitchell, S. A.; Mee, A. S.; Smith, G. D.; Palmer, K. R.; Chapman, R. W. (Blackwell Science Ltd, 2002)
http://dx.doi.org/10.1046/j.1365-2036.2002.01277.x
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