WORLD HEALTH DIGEST, Volume 08, Issue 42,2011, Pages 363-364, doi:10.3969/j.issn.1672-5085.2011.42.341
China Pharmacy, Volume 22, Issue 42,2011, Pages 3997-3999,
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Shandong Medical Journal, Volume 51, Issue 42,2011, Pages 117, doi:10.3969/j.issn.1002-266X.2011.42.076