title: E-consumers and e-commerce challenge traditional referral patterns.
authors.forename: D
authors.initials: D
authors.lastname: Goldstein
authors.forename: C
authors.initials: C
authors.lastname: Toth
mesh_terms: D003132:Commerce / Q000639:trends; D003256:Community Participation; D006801:Humans; D007255:Information Services; D020407:Internet / Q000639:trends*; D008511:Medicine; D017060:Patient Satisfaction; D010817:Physician-Patient Relations; D019114:Remote Consultation / Q000639:trends*; D013038:Specialization; D014481:United States