Pain Research and Management (Jan 1997)
Efficacy of 12 Hourly Controlled-Release Condeine Compared with as Required Dosing of Acetaminophen Plus Codeine in Patients with Chronic Low Back Pain
Abstract
OBJECTIVE: To compare pain relief and stability of pain control in patients with chronic low back pain treated with scheduled 12 hourly doses of controlled-release codeine or as required doses of a fixed combination of acetaminophen and codeine.