TY - JOUR AU - Ancker, J S; BarrĂ³n, Y; Rockoff, M L TI - Use of an electronic patient portal among disadvantaged populations JO - J Gen Intern Med IS - 10 VL - 26 PY - 2011 DO - 10.1007/s11606-011-1749-y L3 - PubMed-ID: 21647748 SP - 1117 EP - 1123 N1 - , et al. ER -