We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHealth related virtual communities and electronic support groups: systematic review of the effects of online peer to peer interactionsAuthorsEysenbach, Gunther; Powell, John; Englesakis, Marina; Rizo, Carlos; Stern, AnitaPublicationBMJ, 2004, Vol 328, Issue 7449, p1166ISSN0959-8138Publication typearticleDOI10.1136/bmj.328.7449.1166