Impact of experimentally-induced expectancy on the analgesic efficacy of tramadol in chronic pain patients: a 2x2 factorial, randomized, placebo-controlled, double-blind trial.

A J M de Craen, A J E M Lampe-Schoenmaeckers, J W Kraal, J G P Tijssen, J Kleijnen

Research output: Contribution to journalArticlepeer-review

Original languageEnglish
Pages (from-to)210-17
Number of pages8
JournalJournal of pain and symptom management
Publication statusPublished - 2001

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