Effects of serum containing Lycium barbarum polysaccharides on the intracellular Ca2+ concentration and the expression of collagen type Ⅰ in MC3T3-E1 cells in vitro  
Ma Feng, Gao Jun, Wang Yi-nong, Shen Jun, Ma Jing-zu
Chinese Journal of Tissue Engineering Research . 2012, (20): 3743 -3746 .  DOI: 10.3969/j.issn.1673-8225.2012.20.030