TY - JOUR AU - Zhou, L TI - The relationship between electronic health record use and quality of care over time JO - J Am Med Inform Assoc IS - 04 VL - 16 PY - 2009 DO - 10.1197/jamia.M3128 L3 - PubMed-ID: 19390094 SP - 457 EP - 464. N1 - et al. ER -