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14. [Roaming through methodology. XVII. The placebo effect]. de Craen AJ. Ned Tijdschr Geneeskd; 2000 Feb 12; 144(7):322-4. PubMed ID: 10707743 [Abstract] [Full Text] [Related]
18. The ethics of placebo-controlled trials: the case of asthma. Onder RF. J Allergy Clin Immunol; 2005 Jun 12; 115(6):1228-34. PubMed ID: 15940139 [Abstract] [Full Text] [Related]