Nakamura, T. and Tsukagoshi, H. 2019. Toward Prevention of Pressure Ulcer: Method of Automatic Wrinkle Removal by Friction-less Soft Robot-arm. IJRDO -JOURNAL OF HEALTH SCIENCES AND NURSING. 4, 2 (Feb. 2019), 01-09. DOI:https://doi.org/10.53555/hsn.v4i2.2642.