RT Journal Article SR Electronic T1 Drug Treatment in Cancer Pain in a Drug-oriented Society ed. by C. Stratton Hill Jr. and William S. Fields JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 364 OP 364 VO 58 IS 4 A1 Walsh, Declan YR 1991 UL http://www.ccjm.org/content/58/4/364.2.abstract AB