TY - RPRT TI - Extracting a statistical data matrix from electronic patient records. AU - W Gall AU - H Heinzl AU - P Sachs PY - 2001 DO - 10.1016/s0169-2607(00)00130-9 UR - https://pubmed.ncbi.nlm.nih.gov/11551390/ ID - 11551390 ER -