牙周膜干细胞的生物学特性及其作为种子细胞在牙周组织工程中应用的研究进展
殷丽华,刘 琪,余占海,秦子顺
Progress research  on biological characteristics of periodontal
 ligament stem cells and their application as seed cells   in
periodontal tissue engineering
吉林大学学报(医学版) . 2013, (2): 419 -422 .  DOI: 10.7694/jldxyxb20130252