O’Brien E. Thoughts on blood pressure detection. J Ir Med Assoc 1979;72:125
O’Brien E, O’Malley K. The ABC of Blood Pressure Measurement: the patient. Brit Med J 1979;2:920-921
O’Brien E, O’Malley K. The ABC of Blood Pressure Measurement: technique. Brit Med J 1979;2:9982-984.
O’Brien E, O’Malley K. ABC of Hypertension. British Medical Association Publications. London.1981.
Harrington K, Maguire S, Wansa, O’Malley K, O’Brien E. The Roll-over test; a non-specific procedure. J Ir Coll Physicians & Surg 1985;14:150. (Abstract)
Fitzgerald D, Marron J, O’Malley K, O’Brien E. The difference in blood pressure between arms. J Ir Coll Physicians & Surg 1985;14:160. (Abstract)
Petrie JC, O’Brien E, Littler WA, deSwiet M. Blood Pressure Measurement. British Medical Association. London. 1987.
O’Brien E, O’Malley K. Overdiagnosing hypertension. Br Med J 1988;297:1211-1212.
Roche V, O’Malley K, O’Brien E. How ‘scientific’ is blood pressure measurement in leading medical journals? J Hypertens 1990;8:1167-1168.
O’Brien E, O’Malley K. Techniques for measuring blood pressure and their interpretation. In: Practical management of hypertension. Ed. W. Birkenhager. Kluwer Academic Publishers. Dordrecht, Boston, London. 1990.Pp.1-24.
O’Brien E, Cox J, O’Malley K. The future. In Blood Pressure Measurement. Eds. E. O’Brien and K. O’Malley. HANDBOOK OF HYPERTENSION. Eds. W.H.Birkenhager and J.L.Reid. Elsevier. Amsterdam. 1991. pp. 380-386
Mancia G, Brunner HR, Conway J, O’Brien E, Pessina AC, Staessen J, Zanchetti A. Round Table Discussion: What blood pressure to measure? J Hypertens 1991;9(Suppl 6):S412-S418
O’Brien E, O’Malley K. Editors: Blood Pressure Measurement. Volume 14. HANDBOOK OF HYPERTENSION. Eds. W.H.Birkenhager and J.L.Reid. Elsevier. Amsterdam. 1991. Pp.1-460.
O’Brien E, O’Malley K. Clinical Blood Pressure Measurement. In: Clinical Hypertension. Ed. JIS Robertson. HANDBOOK OF HYPERTENSION. Snr. eds W. Birkenaeger, JL Reid. Volume 15. Elsevier. Holland. 1992.pp.14-50.
O’Brien E, Atkins N, O’Malley K. Selecting the correct bladder according to the distribution of arm circumference in the population. J Hypertens 1993;11:1149-50 (Abstract)
O’Brien E. Blood pressure Measurement. In Textbook of Hypertension. Ed. JD Swales.Blackwell Scientific Publications. Oxford. 1994. pp. 989-1008.
O’Brien E. Ambulatory Blood Pressure Measurement and Insulin Resistance. Hypertension 1995;25:461.
O’Brien E. The dilemma of choice: which bladder for accurate measurement? Zeitschrift für Kardiologie.1996;85(Suppl 3);26-31.
O’Brien E, Beevers G, Marshall D. ABC KÖNYVEK HYPERTONIA. Literatura Medica Kiadó. Hyngary. 1997
O’Brien E. Will the millimetre of mercury be replaced by the kilopascal. J Hypertens 1998;16:259-261
Petrie J, O’Brien E, Littler W, de Swiet M, Padfield P, Coats A, Mee F CD-ROM on Blood Pressure Measurement. BMJ Publications. 1998
Keary L, Atkins N, O’Brien E. Terminal digit preference and heaping in blood pressure measurement. J Human Hypertens 1998:12:787-788 (Abstract)
O’Brien E. “Blood pressure monitoring becomes automated.” American College of Cardiology ACCEL Interview. December 1999.
G. Mansfield, P. Owens, N. Atkins, E. O’Brien. What is the importance of Inter-arm differences in blood pressure? J Hypertens 1999;17 (suppl 3): S22 (Abstract)
Beevers G, Lip GYH, O’Brien E. ABC of Hypertension. 4th Edition.2001. BMJ Books. London
Wingfield D, Cooke J, Thijs L, Staessen J, Fletcher A, Fagard R, Bulpitt CJ on behalf of the Syst-Eur Investigators. Terminal digit and single number preference in the Syst-Eur trial: influence of quality control. Blood Press Monit 2002;7:169-177
O’Brien E. Blood pressure measurement is changing! Heart 2001;85:3-5
O’Brien E, Sever P. Is systolic blood pressure all that matters? BMJ 2009;339:138-139