TY - RPRT TI - Visualization of ischaemic penumbra using a computed tomography perfusion method. AU - R T F Cheung AU - Pui W Cheng AU - Wai M Lui AU - Gilberto K T Leung AU - Ting-Yim Lee PY - 2003 DO - 10.1159/000068824 UR - https://pubmed.ncbi.nlm.nih.gov/12646777/ ID - 12646777 ER -