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Phellodendron and Citrus extracts benefit joint health in osteoarthritis patients: a pilot, double-blind, placebo-controlled study

Julius Oben, Ebangha Enonchong, Shil Kothari, Walter Chambliss, Robert Garrison and Deanne Dolnick*

Nutrition Journal 2009, 8:38  doi:10.1186/1475-2891-8-38

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