Wei 2010.

Methods	Parallel groups. "Randomly allocated patients" mentioned, but lack of description of the randomisation method. No blinding
Participants	30 participants with mild type A influenza (H1N1) in the group 1 and 16 in group 2
Interventions	Group 1: Lianhua Qingwen capsule 4 pieces, 3 times a day, 3 to 5 days Group 2: oseltamivir 75 mg, 2 times a day, 3 to 5 days
Outcomes	1. Time to fever clearance 2. Time to symptoms clearance
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	High risk	"Randomly allocated patients" mentioned, but lack of description of the method
Allocation concealment (selection bias)	High risk	Not used
Blinding (performance bias and detection bias) All outcomes	High risk	Not used
Blinding of participants and personnel (performance bias) All outcomes	High risk
Blinding of outcome assessment (detection bias) All outcomes	High risk