Better standardisation will improve the quality of analgesic studies

This publication has 4 references indexed in Scilit:

• Additive analgesic effect of codeine and paracetamol can be detected in strong, but not moderate, pain after Caesarean section
  Acta Anaesthesiologica Scandinavica, 1996
• Lack of analgesic effect of 50 and 100 mg oral tramadol after orthopaedic surgery: a randomized, double-blind, placebo and standard active drug comparison
  Pain, 1995
• Efficacy and Safety of Tramadol Versus Morphine for Moderate and Severe Postoperative Pain With Special Regard to Respiratory Depression
  Anesthesia & Analgesia, 1992
• Differential Effects of Epidural Morphine in the Treatment of Cancer‐related Pain
  Acta Anaesthesiologica Scandinavica, 1985