TY - JOUR T1 - SCANNING THE LITERATURE JF - Ochsner Journal JO - Ochsner J SP - 49 LP - 50 VL - 5 IS - 2 AU - Andrew F. Clarke Y1 - 2003/03/20 UR - http://www.ochsnerjournal.org/content/5/2/49.abstract N2 - ER -