R.A. Greenes, A. Neil Pappalardo, Curt W. Marble and G. Octo Barnett
Design and implementation of a Clinical Data Management System
Computers in Biomedical Research, volume 2 (1969), pp469-485
R.A. Greenes, A. Neil Pappalardo, Curt W. Marble and G. Octo Barnett
A system for Clinical Data Management
Proceedings of the Fall Joint Computer Conference, AFIPS Press, Montvale NJ (1969), pp301ff