Re: "Zinc lozenges and vitamin C for the common cold are not examples of placebo effect in action".
The Nordic Cochrane Centre, Rigshospitalet, Blegdamsvej 9, Copenhagen Ø 2100, Denmark. Electronic address: drsegunbello@yahoo.com.
Segun
S
Bello
The Nordic Cochrane Centre, Rigshospitalet, Blegdamsvej 9, Copenhagen Ø 2100, Denmark.
Asbjørn
A
Hróbjartsson
D030881:Disclosure; D006801:Humans; D011642:Publications / Q000592:standards*; D016032:Randomized Controlled Trials as Topic / Q000379:methods*