HomeopathyPlacebo EffectMateria MedicaMental HealingPlacebosAcupuncture TherapyComplementary TherapiesSuggestionArnicaDouble-Blind MethodAcupunctureClinical Trials as TopicTreatment OutcomeAtropa belladonnaCardiovascular Physiological ProcessesResearch DesignNaturopathyHypnosisAnalgesiaRandomized Controlled Trials as TopicTrismusPainCross-Over StudiesControlled Clinical Trials as TopicPhytotherapyIrritable Bowel SyndromeMeta-Analysis as Topic