??? ????? ????? ?? ?????? ??????? ???? ??? ???? ???????? ??? ????? ??????? (?? ??? ??? ?? ???? ??????) ????? ?????? ?? ??????? ?????? ????? ???????? ?????? ?????? ???????? ???? ?? ???? ?? ???: In the open label section, fifty four% had a minimum of fifty% pain aid on a visible analogue scale (VAS