TY - RPRT TI - Variability in visual cortex activation during prolonged functional magnetic resonance imaging. AU - G T Liu AU - D W Fletcher AU - R J Bishop AU - M G Maguire AU - G E Quinn AU - P Hendy AU - R A Zimmerman AU - J C Haselgrove PY - 1998 UR - https://pubmed.ncbi.nlm.nih.gov/9858007/ ID - 9858007 ER -