CHINA PHARMACEUTICALS, Volume 18, Issue 21,2009, Pages 76-78, doi:10.3969/j.issn.1006-4931.2009.21.055
CHINESE JOURNAL OF CLINICAL ONCOLOGY, Volume 36, Issue 21,2009, Pages 1227-1231, doi:10.3969/j.issn.1000-8179.2009.21.009
JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY HEAD AND NECK SURGERY, Volume 23, Issue 21,2009, Pages 1001-1002, doi:10.3969/j.issn.1001-1781.2009.21.014