Intravenous versus intratracheal administration of mesenchymal stem cells in a mouse model of asthma 
Yao Yin, Guo Jie-bo, Deng Xue-quan, Sun Yue-qi, Fu Qing-ling
Chinese Journal of Tissue Engineering Research . 2015, (28): 4478 -4484 .  DOI: 10.3969/j.issn.2095-4344.2015.28.010