Shimoyama, Megumia,b; Shimoyama, Naohitoa,b; Inturrisi, Charles Ea,b,*; Elliott, Kathryn Ja,b
aDepartment of Pharmacology, Cornell University Medical College, 1300 York Avenue, New York, NY 10021, USA
bPain and Palliative Care Service, Department of Neurology, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY 10021, USA
*Corresponding author. Tel.: +1 212 7466235; fax: +1 212 7468835.
Received March 18, 1997; revised version received May 5, 1997; accepted May 16, 1997.