| Provider volume and outcomes for oncological procedures SD Killeen, MJ O'sullivan, JC Coffey, WO Kirwan, HP Redmond Journal of British Surgery 92 (4), 389-402, 2005 | 195 | 2005 |
| The effect of multiple reexcisions on the risk of local recurrence after breast conserving surgery MJ O’sullivan, T Li, G Freedman, M Morrow Annals of Surgical Oncology 14, 3133-3140, 2007 | 103 | 2007 |
| Are elective surgical operations cancelled due to increasing medical admissions? WB Robb, MJ O’sullivan, AE Brannigan, DJ Bouchier-Hayes Irish journal of medical science 173, 129-132, 2004 | 102 | 2004 |
| Association of circulating tumor DNA with disease-free survival in breast cancer: a systematic review and meta-analysis C Cullinane, C Fleming, DP O’Leary, F Hassan, L Kelly, MJ O’Sullivan, ... JAMA network open 3 (11), e2026921-e2026921, 2020 | 89 | 2020 |
| Trichobezoar MJ O'sullivan, G McGreal, JG Walsh, HP Redmond Journal of the Royal Society of Medicine 94 (2), 68-70, 2001 | 77 | 2001 |
| Measurement of PGE2 as the methyl oxime by radioimmunoassay using a novel lodinated label RW Kelly, BJM Graham, MJ O'sullivan Prostaglandins, leukotrienes and essential fatty acids 37 (3), 187-191, 1989 | 74 | 1989 |
| Effects of transurethral resection of prostate on the quality of life of patients with benign prostatic hyperplasia MJ O’Sullivan, C Murphy, C Deasy, G Iohom, EA Kiely, G Shorten Journal of the American College of Surgeons 198 (3), 394-403, 2004 | 69 | 2004 |
| A characterization of anaerobic colonization and associated mucosal adaptations in the undiseased ileal pouch FM Smith, JC Coffey, MR Kell, M O'Sullivan, HP Redmond, WO Kirwan Colorectal Disease 7 (6), 563-570, 2005 | 57 | 2005 |
| The influence of some perinatal variables on neonatal blood pressure MJ O'Sullivan, PJ Kearney, MJ Crowley Acta Paediatrica 85 (7), 849-853, 1996 | 55 | 1996 |
| Health literacy and the perception of risk in a breast cancer family history clinic EJ Rutherford, J Kelly, EA Lehane, V Livingstone, B Cotter, A Butt, ... the surgeon 16 (2), 82-88, 2018 | 48 | 2018 |
| Risk of colorectal cancer associated with BRCA1 and/or BRCA2 mutation carriers: systematic review and meta-analysis CM Cullinane, B Creavin, EP O'connell, L Kelly, MJ O'Sullivan, ... Journal of British Surgery 107 (8), 951-959, 2020 | 47 | 2020 |
| Ductal carcinoma in situ—current management MJ O'Sullivan, M Morrow Surgical Clinics of North America 87 (2), 333-351, 2007 | 46 | 2007 |
| Antimicrobial prophylaxis in otorhinolaryngology/head and neck surgery. BG Fennessy, M Harney, MJ O'Sullivan, C Timon Clinical Otolaryngology: Official Journal of ENT-UK; Official Journal of …, 2007 | 39 | 2007 |
| Can the neutrophil to lymphocyte ratio predict complete pathologic response to neoadjuvant breast cancer treatment? A systematic review and meta-analysis C Cullinane, B Creavin, DP O’Leary, MJ O’Sullivan, L Kelly, HP Redmond, ... Clinical Breast Cancer 20 (6), e675-e681, 2020 | 34 | 2020 |
| Sentinel lymph node biopsy is not warranted following a core needle biopsy diagnosis of ductal carcinoma in situ (DCIS) of the breast S Prendeville, C Ryan, L Feeley, F O'Connell, TJ Browne, MJ O'Sullivan, ... The Breast 24 (3), 197-200, 2015 | 33 | 2015 |
| The effects of low-frequency endo-anal electrical stimulation on faecal incontinence: a prospective study CF Healy, AE Brannigan, EM Connolly, M Eng, MJ O’Sullivan, ... International journal of colorectal disease 21, 802-806, 2006 | 33 | 2006 |
| Prospective study of use of perioperative antimicrobial therapy in general surgery BG Fennessy, MJ O’sullivan, GJ Fulton, WO Kirwan, HP Redmond Surgical infections 7 (4), 355-360, 2006 | 31 | 2006 |
| The efficacy of prophylactic negative pressure wound therapy for closed incisions in breast surgery: a systematic review and meta-analysis D Cagney, L Simmons, DP O’Leary, M Corrigan, L Kelly, MJ O’sullivan, ... World journal of surgery 44, 1526-1537, 2020 | 29 | 2020 |
| Cylindroma of the breast: a case report and review of the literature A Mahmoud, DH Hill, MJ O'sullivan, MW Bennett Diagnostic Pathology 4 (1), 30, 2009 | 29 | 2009 |
| Assaults on psychiatrists–a three year retrospective study M O'Sullivan, D Meagher Irish journal of psychological medicine 15 (2), 54-57, 1998 | 26 | 1998 |
