1. Acceptability of visual analogue scales in the clinical setting: a comparison with verbal rating scales in postoperative pain;Banos;Methods and Findings in Experimental and Clinical Pharmacology,1989
2. Ethnocultural influences on variation in chronic pain perception;Bates;Pain,1993
3. Anxiety engendered by amniocentesis;Beeson;Birth Defects Original Article Series,1979
4. Topical agents or dressings for pain in venous leg ulcers;Briggs;Cochrane Database of Systematic Reviews,2003