Midazolam human 3 male 3 midazolam 3 Article 2 Humans 2 Ketamine 2 Male 2 adult 2 clinical article 2 controlled study 2 double blind procedure 2 female 2 ketamine 2 randomized controlled trial 2 Adult 1 Aged 1 Basal ganglia 1 Canada 1 Chorea-like dyskinesia 1 Conscious Sedation 1 Dental Care for Chronically Ill 1 Depressive Disorder, Major 1 Double-Blind Method 1 Drug Administration Schedule 1 Dyskinesias 1 Emergency lower limb surgery 1 Excitatory Amino Acid Antagonists 1 Female 1 Hamilton Depression Rating Scale 1