| Qualitative research in health care: Analysing qualitative data C Pope, S Ziebland, N Mays BMJ: British Medical Journal 320 (7227), 114, 2000 | 6665 | 2000 |
| The feasibility of creating a checklist for the assessment of the methodological quality both of randomised and non-randomised studies of health care interventions. SH Downs, N Black Journal of Epidemiology & Community Health 52 (6), 377-384, 1998 | 6191 | 1998 |
| Why we need observational studies to evaluate the effectiveness of health care N Black Bmj 312 (7040), 1215-1218, 1996 | 1899 | 1996 |
| Consensus development methods, and their use in clinical guideline development. MK Murphy, NA Black, DL Lamping, CM McKee, CF Sanderson, ... Health technology assessment (Winchester, England) 2 (3), i-88, 1998 | 1662 | 1998 |
| The effects of dividend yield and dividend policy on common stock prices and returns F Black, M Scholes Journal of financial economics 1 (1), 1-22, 1974 | 1602 | 1974 |
| Lower Medicare mortality among a set of hospitals known for good nursing care LH Aiken, HL Smith, ET Lake Medical care, 771-787, 1994 | 1333 | 1994 |
| Patient reported outcome measures could help transform healthcare N Black Bmj 346, 2013 | 1145 | 2013 |
| Patient reported outcome measures could help transform healthcare N Black Bmj 346, 2013 | 1122 | 2013 |
| Decision aids for patients facing health treatment or screening decisions: systematic review AM O'Connor, A Rostom, V Fiset, J Tetroe, V Entwistle, ... Bmj 319 (7212), 731-734, 1999 | 974 | 1999 |
| Evidence based policy: proceed with careCommentary: research must be taken seriously N Black, A Donald Bmj 323 (7307), 275-279, 2001 | 784 | 2001 |
| Epidemiology of severe sepsis occurring in the first 24 hrs in intensive care units in England, Wales, and Northern Ireland A Padkin, C Goldfrad, AR Brady, D Young, N Black, K Rowan Critical care medicine 31 (9), 2332-2338, 2003 | 647 | 2003 |
| Interpreting the evidence: choosing between randomised and non-randomised studies M McKee, A Britton, N Black, K McPherson, C Sanderson, C Bain Bmj 319 (7205), 312-315, 1999 | 446 | 1999 |
| Effect of open peer review on quality of reviews and on reviewers' recommendations: a randomised trial S Van Rooyen, F Godlee, S Evans, N Black, R Smith Bmj 318 (7175), 23-27, 1999 | 430 | 1999 |
| Why we need qualitative research. N Black Journal of epidemiology and community health 48 (5), 425, 1994 | 375 | 1994 |
| Choosing between randomised and non-randomised studies: a systematic review A Britton, M McKee, N Black, K McPherson, C Sanderson, C Bain Health technology assessment (Winchester, England) 2 (13), i-124, 1998 | 371 | 1998 |
| Consensus development methods: a review of best practice in creating clinical guidelines N Black, M Murphy, D Lamping, M McKee, C Sanderson, J Askham, ... Journal of health services research & policy 4 (4), 236-248, 1999 | 358 | 1999 |
| Preventable deaths due to problems in care in English acute hospitals: a retrospective case record review study H Hogan, F Healey, G Neale, R Thomson, C Vincent, N Black BMJ quality & safety 21 (9), 737-745, 2012 | 344 | 2012 |
| Threats to applicability of randomised trials: exclusions and selective participation A Britton, M McKee, N Black, K McPherson, C Sanderson, C Bain Journal of health services research & policy 4 (2), 112-121, 1999 | 323 | 1999 |
| The effectiveness of surgery for stress incontinence in women: a systematic review NA Black, SH Downs British Journal of Urology 78 (4), 497-510, 1996 | 314 | 1996 |
| Effect of blinding and unmasking on the quality of peer review: a randomized trial S van Rooyen, F Godlee, S Evans, R Smith, N Black Jama 280 (3), 234-237, 1998 | 306 | 1998 |
