To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. Working principle of the device. Implantable multireservoir device with stimulus-responsive membrane for on-demand and pulsatile delivery of growth hormone Seung Ho Lee, Huiyan Piao, Yong Chan Cho, Se-Na Kim, Goeun Choi, Cho Rim Kim, Han Bi Ji, Chun Gwon Park, Cheol Lee, Chong In Shin, Won-Gun Koh, Young Bin Choy, and Jin-Ho Choy PNAS. 2019. 116:11664-11672 DOI: 10.1073/pnas.1906931116 Download Original Video Browse All Videos »