A prospective, randomized, double-blind, placebo-controlled parallel-group dual site trial to evaluate the effects of a Bacillus coagulans-based product on functional intestinal gas symptoms

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Douglas S Kalman^*, Howard I Schwartz, Patricia Alvarez, Samantha Feldman, John C Pezzullo and Diane R Krieger

BMC Gastroenterology 2009, 9:85 doi:10.1186/1471-230X-9-85