Epidemiology

	Schulz KF, Grimes DA. Sample size calculations in randomised trials: mandatory and mystical. Lancet 2005;365:1348-53
	Grimes DA, Schulz KF. Compared to what? Finding controls for case-control studies. Lancet 2005;365:1429-33
	Grimes DA, Schulz KF. Refining clinical diagnosis with likelihood ratios. Lancet 2005;365:1500-5
	Schulz KF, Grimes DA. Multiplicity in randomised trials I: endpoints and treatments. Lancet 2005;365:1591-5
	Schulz KF, Grimes DA. Multiplicity in randomised trials II: subgroup and interim analyses. Lancet 2005;365:1657-61

Diagnostic Research

	Hernandez-Aguado I. The winding road towards evidence based diagnoses. J Epidemiol Community Health 2002;56:323-5
	Feinstein AR Misguided efforts and future challenges for research on "diagnostic tests" J Epidemiol Community Health 2002;56:330-332
	Colditz IGA. Improving standards of medical and public health research. J Epidemiol Community Health 2002;56:333-334
	Choi BC. Future challenges for diagnostic research: striking a balance between simplicity and complexity. J Epidemiol Community Health 2002;56:334-5
	Coughlin SS. Future challenges for research on diagnostic tests: genetic tests and disease prevention. J Epidemiol Community Health 2002;56:335-336
	Moons KGM, Grobbee DE. Diagnostic studies as multivariable, prediction research. J Epidemiol Community Health 2002;56:337-338
	Brenner H, Sturmer T, Gefeller O. The need for expanding and re-focusing of statistical approaches in diagnostic research. J Epidemiol Community Health 2002;56:338-339
	Knottnerus JA. Challenges in dia-prognostic research. J Epidemiol Community Health 2002;56:340-341

Evidence-base of Clinical Diagnosis

	Knottnerus JA, van Weel C, Muris JWM. Evaluation of diagnostic procedures. BMJ 2002;324:477-80
	Sackett DL, Haynes RB. The architecture of diagnostic research. BMJ 2002;324:539-41
	Irwig L, Bossuyt P, Glasziou P, Gatsonis C, Lijmer J. Designing studies to ensure that estimates of test accuracy are transferable. BMJ 2002;324:669-71
	Elstein AS, Schwarz A. Clinical problem solving and diagnostic decision making: selective review of the cognitive literature. BMJ;2002;324:729-32
	Winkens R, Dinant GJ. Evidence base of clinical diagnosis: Rational, cost effective use of investigations in clinical practice  BMJ 2002; 324:783-785

Qualitative research series

	Malterud K. The art and science of clinical knowledge: evidence beyond measures and numbers. Lancet 2001;358:397-400
	Malterud K. Qualitative research: standards, challenges, and guidelines. Lancet 2001;358:483-8

Epidemiology Series

	Horton R. Clinical research - minus the volleyball [editorial]. Lancet 2002;359:8
	Grimes DA, Schulz KF. An overview of clinical research: the lay of the land. Lancet 2002;359:57-61
	Grimes DA, Schulz KF. Descriptive studies: what they can and cannot do. Lancet 2002;359:145-9
	Grimes DA, Schulz KF. Bias and causal associations in observational research. Lancet 2002;359:248-52
	Grimes DA, Schulz KF. Cohort studies: marching towards outcomes. Lancet 2002;359:341-5
	Schulz KF, Grimes DA. Case-control studies: research in reverse. Lancet 2002;359:431-4
	Schulz KF, Grimes DA. Generation of allocation sequences in randomised trials: chance, not choice. Lancet 2002;359:515-9
	Schulz KF, Grimes DA. Allocation concealment in randomised trials: defending against deciphering. Lancet 2002;359:614-8
	Schulz KF, Grimes DA. Blinding in randomised trials: hiding who got what. Lancet 2002;359:696-700
	Schulz KF, Grimes DA. Sample size slippages in randomised trials: exclusions and the lost and wayward. Lancet 2002;359:781-5
	Grimes DA, Schulz KF. Uses and abuses of screening tests. Lancet 2002;359:881-4
	Schulz KF, Grimes DA. Unequal group sizes in randomised trials: guarding against guessing. Lancet 2002;359:966-70

Qualitative Research in Health Care

	Mays N, Pope C. Assessing quality in qualitative research. BMJ 2000;320:50-2
	Pope C, Ziebland S, Mays N. Analysing qualitative data. BMJ 2000;320:114-6
	Meyer J. Using qualitative methods in health related action research. BMJ 2000;320:178-81

Methods in Health Services Research

	McKee M, Britton A, Black N, et al. Methods in health services research: Interpreting the evidence: choosing between randomised and non-randomised studies. BMJ 1999;319:312-315
	Ukoumunne OC, Gulliford MC, Chinn S, et al. Evaluation of health interventions at area and organisation level. BMJ 1999;319:376-9
	Spiegelhalter DJ, Myles JP, Jones DR, et al.  An introduction to bayesian methods in health technology assessment. BMJ 1999;319:508-512
	Briggs AH, Gray AM. Handling uncertainty in economic evaluations of healthcare interventions. BMJ 1999;319:635-638

Qualitative Research

	Jones R. Why do qualitative research? [editorial] BMJ 1995;311:2
	Pope C, Mays N. Reaching the parts other methods cannot reach: an introduction to qualitative methods in health and health services research. BMJ 1995;311:42-45
	Mays N, Pope C. Rigour in qualitative research. BMJ 1995;311:109-112
	Mays N, Pope C. Observational methods in health care settings.BMJ 1995;311:182-184
	Britten N. Qualitative interviews in medical research. BMJ 1995;311:251-253
	Kitzinger J. Introducing focus groups. BMJ 1995;311:299-302
	Jones J, Hunter D. Consensus methods for medical and health services research BMJ 1995;311:376-380
	Keen J, Packwood T.Case study evaluation. BMJ 1995;311:444-446

Health Services Research

	Health Services Research Group. Small-area variations: what are they and what do they mean? CMAJ 1992;146:467-70.
	Health Services Research Group. Standards, guidelines and clinical policies. CMAJ 1992;146:833-7.
	Health Services Research Group. Program evaluation in health care. CMAJ 1992;146:1301-4.
	Health Services Research Group. A guide to direct measures of patient satisfaction in clinical practice. CMAJ 1992;146:1727-31.
	Health Services Research Group. Quality of care: 1. What is quality and how can it be measured? CMAJ 1992;146:2153-8.
	Health Services Research Group. Quality of care: 2. Quality of care studies and their consequences. CMAJ 1992;147:163-7.
	Goel V; The Health Services Research Group. Decision analysis: applications and limitations. CMAJ 1992;147:413-7..
	Health Services Research Group. Studying patients' preferences in health care decision making. CMAJ 1992;147:859-64.
	Health Services Research Group. Public opinions about health care. CMAJ 1992;147:1133-7.
	Health Services Research Group. Outcomes and the management of health care.CMAJ 1992;147:1775-80.