1.    American Medical Association. JAMA Evidence: Glossary [cited 2016 10/10]. Available from: http://jamaevidence.mhmedical.com/glossary.aspx.
2.    BMJ Clinical Evidence. A glossary of EBM terms 2012 [cited 2016 09/10]. Available from: http://clinicalevidence.bmj.com/x/set/static/ebm/toolbox/678178.html.
3.    Centers for Disease Control and Prevention (CDC). Acronyms, Glossary and Reference terms. New York. USA.
4.    Centers for Disease Control and Prevention (CDC). Principles of Epidemiology in Public Health Practice. Third Edition: An Introduction to Applied Epidemiology and Biostatistics. Atlanta, USA. 2012. 511 p.
5.    Consolidated Standards of Reporting Trials (CONSORT) statement. CONSORT Glossary 2010 [cited 2016 09/10]. Available from: http://www.consort- statement.org/resources/glossary.
6.    Grimes DA, Schulz KF. An overview of clinical research: the lay of the land. The Lancet. 2002;359(9300):57-61.
7.    Grimes DA, Schulz KF. Descriptive studies: what they can and cannot do. The Lancet. 2002;359(9301):145-9.
8.    Grimes DA, Schulz KF. Bias and causal associations in observational research. The Lancet. 2002;359(9302):248-52.
9.    Grimes DA, Schulz KF. Cohort studies: marching towards outcomes. The Lancet. 2002;359(9303):341-5.
10.    Grimes DA, Schulz KF. Uses and abuses of screening tests. The Lancet. 2002;359(9303):881-4.
11.    International Epidemiological Association. A Dictionary of Epidemiology. Sixth Edition. Porta M, editor. New York, USA: Oxford University Press; 2014. 377 p.
12.    Lanata CF, Black RE. Lot quality assurance sampling techniques in health surveys in developing countries: advantages and current constraints. World Health Stat Q. 1991;44(3):133-9.
13.    Nguyễn Văn Tuấn. Đo lường bệnh tật: Tỷ số, Tỷ lệ, Tỷ suất.
14.    O. S. Miettinen. Epidemiological Research: Terms and Concepts: Springer; 2011. 193 p.
15.    Olsen J, Christensen K, Murray J, Ekbom A. An Introduction to Epidemiology for Health Professionals: Springer; 2010. 153 p.
16.    Oxford Research. Glossary of key terms: Oxford University Press; 2009.
17.    Public Health Accreditation Board (PHAB). PHAB Acronyms and Glossary of Terms. USA. 2011. 38 p.
18.    Ruth B, Beaglehole R, Kjellström T. Basic Epidemiology. Second Edition. Geneva, Switzerlands: WHO Library Cataloguing-in-Publication Data; 2006. 226 p.
19.    Schulz KF, Grimes DA. Case-control studies: research in reverse. The Lancet. 2002;359(9304):431-4.
20.    Schulz KF, Grimes DA. Generation of allocation sequences in randomised trials: chance, not choice. The Lancet. 2002;359(9304):515-9.
21.    Schulz KF, Grimes DA. Allocation concealment in randomised trials: defending against deciphering. The Lancet. 2002;359(9304):614-8.
22.    Schulz KF, Grimes DA. Blinding in randomised trials: hiding who got what. The Lancet. 2002;359(9304):696-700.
23.    Schulz KF, Grimes DA. Sample size slippages in randomised trials: exclusions and the lost and wayward. The Lancet. 2002;359(9304):781-5.
24.    Schulz KF, Grimes DA. Unequal group sizes in randomised trials: guarding against guessing. The Lancet. 2002;359(9304):966-70.
25.    Trường Đại học Y Dược thành phố Hồ Chí Minh. Phương pháp nghiên cứu khoa học cơ bản dành cho bác sĩ lâm sàng. Hồ Chí Minh, Việt Nam. 2014. 109 p.
26.    Trường Đại học Y Hà Nội. Tài liệu hướng dẫn xây dựng đề cương nghiên cứu khoa học Y Dược. Hà Nội, Việt Nam: NXB Y Học; 2010.
27.    Trường Đại học Y tế công cộng. Câu hỏi và trả lời về một số vấn đề thường gặp trong quá trình làm luận văn sau đại học. Hà Nội, Việt Nam. 2015.
28.    UNFPA Việt Nam. Các thuật ngữ trong theo dõi, đánh giá và quản lý dựa trên kết quả. Hà Nội, Việt Nam: NXB Giao thông vận tải; 2008. 64 p.
29.    Viện Nghiên cứu Y xã hội học (IMS). Bảng thuật ngữ Dịch tễ học và Thống kê 2016 [cited 2016 03/11].
30.    Whitley E, Ball J. Statistics review 6: Nonparametric methods. Critical Care. 2002;6(6):509-13.
31.    World Health Organization (WHO). Health Systems Strengthening Glossary [cited        2016    10/10].    Available    from: http://www.who.int/healthsystems/hss_glossary/en/.
32.    World Health Organization (WHO). Glossary of terms in health research. A practical guide for health researchers. Geneva, Switzerlands.
33.    World Health Organization (WHO). Health Promtion Glossary. Nutbeam D, editor. Geneva, Switzerlands. 1998. 36 p.
34.    Austin PC. An Introduction to Propensity Score Methods for Reducing the Effects of Confounding in Observational Studies. Multivariate Behavioral Rese. 2011;46(3):399-424.
35.    Rosenbaum P.R., Rubin D.B. The central role of the propensity score in observational studies for causal effects. Biometrika. 1983;70:41-55.
36.    Sackett DL, Rosenberg WM, Gray JA, Haynes RB, Richardson WS. Evidence based medicine: what it is and what it isn’t. BMJ. 1996;312(7023):71-2.