Self-Adherent Biodegradable Gelatin-Based Hydrogel Electrodes for Electrocardiography Monitoring. - Yechan Lee; Sang-Gu Yim; Gyeong Won Lee; Sodam Kim; Hong Sung Kim; Dae Youn Hwang; Beum-Soo An; Jae Ho Lee; Sungbaek Seo; Seung Yun Yang (Sensors, 2020)