TY - RPRT TI - A-to-D conversion from paper records with a desktop scanner and a microcomputer. AU - L E Widman AU - G L Freeman PY - 1989 DO - 10.1016/0010-4809(89)90033-5 UR - https://pubmed.ncbi.nlm.nih.gov/2776443/ ID - 2776443 ER -