Grigsby B, Brega AG, Bennett RE, Devore PA, Paulich MJ, Talkington SG, Floersch NR, Barton PL, Neal S, Araya TM, Loker JL, Krohn N, Grigsby J. The slow pace of interactive video telemedicine adoption: the perspective of telemedicine program administrators on physician participation. Telemed J E Health. 2007 Dec; 13(6):645-56.