in a randomized double-blind study of 57 children ( aged 6 months-6 yr ) , pain following lateral thoracotomy was relieved with repeated i.v . doses of morphine 100 or 50 micrograms kg-1 , or buprenorphine 3.0 or 1.5 micrograms kg-1 .
C0030193
pain
C0006405
buprenorphine