TY - GEN AU - Luce,John M TI - Response SN - 1931-3543 PY - 2014///0423 KW - Coma KW - complications KW - Humans KW - Persistent Vegetative State KW - etiology N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1378/chest.13-2710 ER -