Schneider 1982.

Methods	Randomised trial
Participants	40 patients with essential hypertension and congestive heart failure (intervention 20; control 20) Health professional (delivering intervention): 1 Practice: 1 Outpatient medicine clinic University Hospital Clinic, Ohio State University, USA Year of study: Not stated.
Interventions	Pharmaceutical care Pharmacist examined and evaluated patients during a clinic visit Pharmacist communicated findings and suggestions to physician, vs usual care Length of intervention: 12 months
Outcomes	Systolic and diastolic blood pressure % target blood pressure achieved
Notes	Funding source: Not specified Conflict of interest: Not stated
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Quote: "Patients were randomly assigned to a study or a control group".
Allocation concealment (selection bias)	Unclear risk	Not explicitly described
Blinding of participants and personnel (performance bias) All Outcomes/Outcome 1	Unclear risk	The personnel (doctors and pharmacists) were not necessarily unblinded and this may have influenced protocol implementation.
Blinding of outcome assessment (detection bias) All Outcomes/Outcome 1	Low risk	BP mostly objective
Incomplete outcome data (attrition bias) All outcomes	Low risk	Data from all 40 patients presented.
Selective reporting (reporting bias)	Low risk	All outcomes mentioned in Methods appear in Results
Other bias	Low risk	None