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1 Expectorant and Antitussive Effect of Hedera helix and Rhizoma coptidis Extracts Mixture
Kee Jae Song, Young-June Shin, Kang Ro Lee, Eun Jung Lee, Yun Suk Suh, Kyung-Su Kim
Yonsei Med J.2015;56(3):819-824.   Published online 2015 April 1     DOI: http://dx.doi.org/10.3349/ymj.2015.56.3.819
      
2 Use of Antitussive, Mucolytic Agents and Expectorants
Chul Min Ahn
J Korean Med Assoc.2005;48(1):77-81.   Published online 2005 February 17     DOI: http://dx.doi.org/10.5124/jkma.2005.48.1.77
      

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