Is there a need to control the placebo in placebo controlled trials?

समान संसाधन

• Placebos and placebo effects in medicine: historical overview.
  द्वारा: de Craen, A J, और अन्य
  प्रकाशित: (1999)
• Reactions to treatment debriefing among the participants of a placebo controlled trial
  द्वारा: Di Blasi, Zelda, और अन्य
  प्रकाशित: (2005)
• Placebo effect in the treatment of duodenal ulcer
  द्वारा: de Craen, Anton J M, और अन्य
  प्रकाशित: (1999)
• Ribavirin in respiratory syncytial virus infection. A double blind placebo controlled trial is needed.
  द्वारा: Isaacs, D, और अन्य
  प्रकाशित: (1988)
• Bromocriptine in mania--a placebo-controlled double-blind trial.
  द्वारा: Smith, A H, और अन्य
  प्रकाशित: (1980)