the clinical efficacy and tolerability of a combination preparation ( 'norgesic ' ) of 35 mg orphenadrine plus 450 mg paracetamol was compared with that of placebo in a controlled double-blind , parallel group , 7-day study comprising 44 patients suffering from pain due to tension of the cervical and upper thoracic musculature .
C0000970
paracetamol
C0030193
pain