Practice-linked online personal health records for type 2 diabetes mellitus: A randomized controlled trial - Grant, RW; Wald, JS; Schnipper, JL; Gandhi, TK; Poon, EG; Orav, EJ; Williams, DH; Volk, LA; Middleton, B (Arch Intern Med, 2008)
doi:10.1001/archinte.168.16.1776.