TY - GEN AU - Ma,D M AU - Chu,D S AU - Davis,S TI - Pressure relief under the ischial tuberosities and sacrum using a cut-out board SN - 0003-9993 PY - 1976///0901 KW - Equipment and Supplies, Hospital KW - Humans KW - Ischium KW - Pressure KW - adverse effects KW - Pressure Ulcer KW - etiology KW - Sacrum N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S ER -