TY - JOUR T1 - Conducting clinical research: A practical guide for physicians, nurses, study coordinators, and investigators AU - Lewis RJ Y1 - 2007/04/03 N1 - 10.7326/0003-4819-146-7-200704030-00023 JO - Annals of Internal Medicine SP - 544 EP - VL - 146 IS - 7 N2 - SN - 0003-4819 M3 - doi: 10.7326/0003-4819-146-7-200704030-00023 UR - http://dx.doi.org/10.7326/0003-4819-146-7-200704030-00023 ER -