Wei X et al.
Zhonghua Xin Xue Guan Bing Za Zhi, 2014
Wu Z et al.
Plos One, 2014
Houshmand B et al.
Journal of Periodontal Research, 2009
Galimberti D et al.
European Journal of Neurology, 2007
Kaur G et al.
Human Immunology, 2006
Fenoglio C et al.
Neuroscience Letters, 2006