Kong 2009.

Methods	Allocation: randomised. Blindness: open‐label. Duration: 2 hours.
Participants	Diagnosis: acutely agitated patients. N = 37. Age: 18 years or older. Sex: not stated. History: "DSM‐IV diagnosis of schizophrenia, schizophreniform disorder, brief psychotic disorder, or schizoaffective disorder, bipolar dosprder" (p.S525). Exclusion: not stated. Setting: psychiatry ward, Inje University, China.
Interventions	1. Haloperidol: fixed dose 5 mg/IM. N = 10. 2. Olanzapine: fixed dose 10 mg/IM. N = 12. 3. Haloperidol: fixed dose 5 mg/IM + lorazepam fixed dose 4 mg/IM. N = 15.
Outcomes	Global State: CGI‐S, CGI‐I. Agitation: PANSS‐EC. Adverse effects. Seclusions.
Notes	Abstract, full characteristics and outcome data not reported. Additionally, it is probably the same study as Shim 2009 (discordant doses and reported adverse effects). An attempt to contact the authors was made (3rd July 2016).