The effect of ginseng (the genus panax) on glycemic control: a systematic review and meta-analysis of randomized controlled clinical trials. oleh Esra' Shishtar, John L Sievenpiper, Vladimir Djedovic, Adrian I Cozma, Vanessa Ha, Viranda H Jayalath, David J A Jenkins, Sonia Blanco Meija, Russell J de Souza, Elena Jovanovski, Vladimir Vuksan