1 Guyatt GH., "Users’ guides to the medical literature. II. How to use an article about therapy or prevention. A. Are the results of the study valid? Evidence-Based Medicine Working Group" 270 : 2598-2601, 1993
2 Guyatt GH., "Users’ Guides to the Medical Literature : XXV. Evidence-based medicine : principles for applying the Users’ Guides to patient care. Evidence-Based Medicine Working Group" 284 : 1290-1296, 2000
3 Cruz-Jentoft AJ., "Upper age limits in studies submitted to a research ethics committee" 22 : 175-178, 2010
4 Bayer A., "Unjustified exclusion of elderly people from studies submitted to research ethics committee for approval : descriptive study" 321 : 992-993, 2000
5 McMurray JJ., "Treatment of heart failure with spironolactone : trial and tribulations" 351 : 526-528, 2004
6 Britton A., "Threats to applicability of randomised trials : exclusions and selective participation" 4 : 112-121, 1999
7 Cherubini A., "The persistent exclusion of older patients from ongoing clinical trials regarding heart failure" 171 : 550-556, 2011
8 Gurwitz JH., "The exclusion of the elderly and women from clinical trials in acute myocardial infarction" 268 : 1417-1422, 1992
9 Pitt B., "The effect of spironolactone on morbidity and mortality in patients with severe heart failure. Randomized Aldactone Evaluation Study Investigators" 341 : 709-717, 1999
10 Temple R., "The Oxford textbook of clinical research ethics" Oxford University Press 577-588, 2011
1 Guyatt GH., "Users’ guides to the medical literature. II. How to use an article about therapy or prevention. A. Are the results of the study valid? Evidence-Based Medicine Working Group" 270 : 2598-2601, 1993
2 Guyatt GH., "Users’ Guides to the Medical Literature : XXV. Evidence-based medicine : principles for applying the Users’ Guides to patient care. Evidence-Based Medicine Working Group" 284 : 1290-1296, 2000
3 Cruz-Jentoft AJ., "Upper age limits in studies submitted to a research ethics committee" 22 : 175-178, 2010
4 Bayer A., "Unjustified exclusion of elderly people from studies submitted to research ethics committee for approval : descriptive study" 321 : 992-993, 2000
5 McMurray JJ., "Treatment of heart failure with spironolactone : trial and tribulations" 351 : 526-528, 2004
6 Britton A., "Threats to applicability of randomised trials : exclusions and selective participation" 4 : 112-121, 1999
7 Cherubini A., "The persistent exclusion of older patients from ongoing clinical trials regarding heart failure" 171 : 550-556, 2011
8 Gurwitz JH., "The exclusion of the elderly and women from clinical trials in acute myocardial infarction" 268 : 1417-1422, 1992
9 Pitt B., "The effect of spironolactone on morbidity and mortality in patients with severe heart failure. Randomized Aldactone Evaluation Study Investigators" 341 : 709-717, 1999
10 Temple R., "The Oxford textbook of clinical research ethics" Oxford University Press 577-588, 2011
11 Townsley CA., "Systematic review of barriers to the recruitment of older patients with cancer onto clinical trials" 23 : 3112-3124, 2005
12 Health Insurance Review & Assessment Service., "Statistics of total medical expenses: 2008-2012" Health Insurance Review & Assessment Service 2012
13 Juurlink DN., "Rates of hyperkalemia after publication of the Randomized Aldactone Evaluation Study" 351 : 543-551, 2004
14 Statistics Korea., "Population projections for Korea: 2010-2060" Statistics Korea 2011
15 Son Y., "Points to consider in the evaluation of biopharmaceuticals : review of quality control" 1 : 15-23, 2006
16 Fudge N., "Involving older people in health research" 36 : 492-500, 2007
17 Barron JS., "Informed consent for research participation in frail older persons" 16 : 79-85, 2004
18 McMurdo ME., "Including older people in clinical research" 331 : 1036-1037, 2005
19 Food and Drug Administration., "Guideline for the study of drugs likely to be used in the elderly" Food and Drug Administration
20 Working Group on Functional Outcome Measures for Clinical Trials., "Functional outcomes for clinical trials in frail older persons : time to be moving" 63 : 160-164, 2008
21 Cherubini A., "Fighting against age discrimination in clinical trials" 58 : 1791-1796, 2010
22 Bugeja G., "Exclusion of elderly people from clinical research : a descriptive study of published reports" 315 : 1059-, 1997
23 Van Spall HG., "Eligibility criteria of randomized controlled trials published in high-impact general medical journals : a systematic sampling review" 297 : 1233-1240, 2007
24 Mo SH., "Decision-making power of the elderly in the family" 11 : 50-60, 1991
25 Greenlee RT., "Cancer statistics, 2000" 50 : 7-33, 2000
26 Johnson CL., "A longitudinal study of family supports to impaired elderly" 23 : 612-618, 1983