CHINESE JOURNAL OF STOMATOLOGY, Volume 42, Issue 9,2007, Pages 513-514, doi:10.3760/j.issn:1002-0098.2007.09.001
CHINESE JOURNAL OF STOMATOLOGY, Volume 42, Issue 9,2007, Pages 564-567, doi:10.3760/j.issn:1002-0098.2007.09.017
CHINESE JOURNAL OF STOMATOLOGY, Volume 42, Issue 9,2007, Pages 529-532, doi:10.3760/j.issn:1002-0098.2007.09.005
CHINESE JOURNAL OF STOMATOLOGY, Volume 42, Issue 9,2007, Pages 550-552, doi:10.3760/j.issn:1002-0098.2007.09.012