Cai, Y., Xu, M., Yuan, M., Liu, Z., & Yuan, W. (2014). Developments in human growth hormone preparations: Sustained-release, prolonged half-life, novel injection devices, and alternative delivery routes. Dove Medical Press.

Cai, Yunpeng, Mingxin Xu, Minglu Yuan, Zhenguo Liu, a Weien Yuan. Developments in Human Growth Hormone Preparations: Sustained-release, Prolonged Half-life, Novel Injection Devices, and Alternative Delivery Routes. Dove Medical Press, 2014.

Cai, Yunpeng, et al. Developments in Human Growth Hormone Preparations: Sustained-release, Prolonged Half-life, Novel Injection Devices, and Alternative Delivery Routes. Dove Medical Press, 2014.