Singh 1979.

Methods	Allocation: randomised. Blindness: double. Duration: 44 weeks.
Participants	Diagnosis: schizophrenia (DSM‐II). History: duration ill mean 4 years, range 3‐32. N=30. Age: mean 44 years, range 29‐59. Sex: 24M, 6F. Setting: community.
Interventions	1. Pipothiazine palmitate: dose mean 125 mg/IM/month, range 100‐15 mg/IM. N=15. 2. Fluphenazine enanthate: dose mean 44.2 mg/IM/month, range 25‐75 mg/IM. N=15.
Outcomes	Adverse effects. Unable to use ‐ Mental state: BPRS (no usuable data). Laboratory tests (no usable data).
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear