Greenes, Robert; Pappalardo, A Neil; Marble, Curt W; Barnett, G Octo (1969). "Design and implementation of a clinical data management system". Comput Biomed Res. 5 (Oct): 469–85. doi:10.1016/0010-4809(69)90012-3. PMID11697375.
Greenes, Robert A; Barnett, G Octo; Klein, Stuart W; Robbins, Anthony; Prior, Roderick E (1970). "Recording, retrieval and review of medical data by physician-computer interaction". N Engl J Med. 282 (6): 307–15. doi:10.1056/NEJM197002052820605. PMID5410816.
Pendergrass, Henry P; Greenes, Robert A; Barnett, G Octo; Poitras, James W; Pappalardo, A Neil; Marble, Curt W (1969). "An on-line computer facility for systematized input of radiology reports". Radiology. 92 (4): 709–13. doi:10.1148/92.4.709. PMID5767748.
Greenes, Robert; Pappalardo, A Neil; Marble, Curt W; Barnett, G Octo (1969). "Design and implementation of a clinical data management system". Comput Biomed Res. 5 (Oct): 469–85. doi:10.1016/0010-4809(69)90012-3. PMID11697375.
Greenes, Robert A; Barnett, G Octo; Klein, Stuart W; Robbins, Anthony; Prior, Roderick E (1970). "Recording, retrieval and review of medical data by physician-computer interaction". N Engl J Med. 282 (6): 307–15. doi:10.1056/NEJM197002052820605. PMID5410816.
Pendergrass, Henry P; Greenes, Robert A; Barnett, G Octo; Poitras, James W; Pappalardo, A Neil; Marble, Curt W (1969). "An on-line computer facility for systematized input of radiology reports". Radiology. 92 (4): 709–13. doi:10.1148/92.4.709. PMID5767748.