YAN XIAOQIANG, CHEN QIANG, ZHU LIN, CHEN HONG, WEI DANDAN, CHEN FENG, TANG ZIQING, YANG JIA, ZHENG JIE: 'High strength and self-healable gelatin/polyacrylamide double network hydrogels', JOURNAL OF MATERIALS CHEMISTRY. B, ROYAL SOCIETY OF CHEMISTRY, GB, vol. 5, no. 37, 1 January 2017 (2017-01-01), GB , pages 7683 - 7691, XP055890698, ISSN: 2050-750X, DOI: 10.1039/C7TB01780D