TY - RPRT TI - Educational Technology Network: a computer conferencing system dedicated to applications of computers in radiology practice, research, and education. AU - M P D'Alessandro AU - M J Ackerman AU - S M Sparks PY - 1993 DO - 10.1007/bf03168530 UR - https://pubmed.ncbi.nlm.nih.gov/8292646/ ID - 8292646 ER -