Fitzgerald D, O’Callaghan W, O’Malley K, O’Brien E. Remler M 2000 Semi-Automatic Blood Pressure Recorder. Proceedings of 4th International Symposium on Ambulatory Monitoring. The Academic Press. 1982. pp. 484-488.
Fitzgerald D, O’Donnell D, O’Malley K, O’Brien E. Assessment of a non-invasive automatic ambulatory blood pressure recorder: the Del Mar Avionics Pressurometer III. J Ir Coll Physicians & Surg 1985;14:150-151.
O’Brien E, Mee F, Atkins N, O’Malley K. Short Report: Accuracy of the Del Mar Avionics Pressurometer IV determined by the British Hypertension Society Protocol. J Hypertens 1991;9:567-568
O’Brien E, Mee F, Atkins N, O’Malley K. Short Report: Accuracy of the Novacor DIASYS 200 determined by the British Hypertension Society Protocol. J Hypertens 1991;9:569-570
O’Brien E, Mee F, Atkins N, O’Malley K. Short Report: Accuracy of the Takeda TM-2420/TM-2020 determined by the British Hypertension Society Protocol. J Hypertens 1991;9:571-572
O’Brien E, Mee F, Atkins N, O’Malley K. Short Report: Accuracy of the SpaceLabs 90207 determined by to the British Hypertension Society Protocol. J Hypertens 1991;9:573-574
O’Brien E, Mee F, Atkins N, O’Malley K. Short Report: Accuracy of the CH-Druck Pressure Scan ERKA ambulatory blood pressure measuring system determined by the British Hypertension Society Protocol. J Hypertens 1992;10:1283-1284.
O’Brien E, Mee F, Atkins N, O’Malley K. Short Report: Accuracy of the Profilomat ambulatory blood pressure measuring system determined by the British Hypertension Society Protocol. J Hypertens 1992;10:1285-1286.
O’Brien E, Mee F, Atkins N, O’Malley K. Short Report: Accuracy of the Dinamap portable monitor, Model 8100, determined by the British Hypertension Society protocol. J Hypertens 1993;11:761-763
O’Brien E, Atkins N. Evaluation of the accuracy and reproducibility of the Takeda TM-2420 in the elderly. J Human Hypertens 1995;9:205.
O’Brien E, Atkins N. Blood pressure measurement using oscillometric finger cuffs. Anaesthesia 1995;50:743-745
O’Brien E, Atkins N. Accuracy of an oscillometric automatic blood pressure device: the Omron HEM403C. J Human Hypertens 1995;9:781-784
O’Brien E, Padfield P, Bland M, Atkins N, Coats A, Petrie J, Altman D, Littler W, de Swiet M. Validation of blood pressure measuring devices. J Clin Monit 1995;11:257
Conroy RM, Shelley E, Atkins N, O’Brien E. Ergonomic Problems with the Hawksley Random Zero Sphygmomanometer and their Effect on Recorded Pressures. Blood Pressure 1996;:5:227-233
O’Brien E. Inaccuracy of the Dinamap Portable Monitor Model 8100. Lancet 1997;349:1026
O’Brien E. Accuracy of the Dinamap 8100. Am J Hypertens 1997;10:143-14428/6/96)
Halligan WF, O’Brien E. Ambulatory Blood Pressure Monitoring During Ppregnancy – Establishment of Standards of Normalcy. Am J Hypertens 1996;9:1240-1241 (Letter)
Halligan A, Lambert P, O’Brien E, Shennan A,. Characteristics of a reversed circadian blood pressure rhythm in pregnant women with hypertension. J Human Hypertension 1996;10:135 (Letter)
O’Brien E. False claim for accuracy of the UA 751. J Human Hypertens 1996;10:335 (Letter)
O’Brien E. Evaluation of the Takeda TM-2420 in the elderly. J Human Hypertens 1996;10:61. (Letter)
O’Brien E. SpaceLabs 90207 and Accutracker II ambulatory blood pressure monitors in pregnancy. Am J Obs Gynec 1996;175:751-752. (Letter)
O’Brien E. Why do we use the Dinamap? Hypertension. 2000; 35;e26 June. (Letter)
O’Brien E. Validation Up-date. Blood Press Monit 2001;6:275-280