Books
Booth, W. C. et al.: The Craft of Research, 2008. University of Chicago Press, Chicago.
Chambliss, D. F. & R. K. Schutt. : Making sense of the social world. Methods of investigation, 2006. Thousand Oaks, California.
Kumar, R.: Research methodology. A Step-By-Step Guide For Beginners, 2005. Sage Publications, London.
Rothman, K. J.: Epidemiology: An Introduction, 2002. Oxford University Press, Oxford.
Internett Articles
http://frisch26.uio.no/helsedata/ english.asp
Leech, B. L. (2002): Asking Questions: Techniques for Semistructured Interviews. PS: Political Science and Politics 35;4:665-668
Malterud, K. (2001): Qualitative research: standards, challenges, and guidelines. Lancet 2001; 358:483-488
Malterud, K. (2001): The art and science of clinical knowledge. Lancet 2001; 358:397-400
Skelton, J. R. and F. D. Hobbs (1999): Concordancing: use of language-based research in medical communication. Lancet 1999; 353: 108-11
Shiffman, J. and S. Smith (2007): Generation of political priority for global health initiatives. Lancet 2007; 370:1370-79
Tansey, O. (2007): Process Trancing and Elite Interviewing. PS: Political Science and Politics 40;4:765-772
Hand outs
Practical statistics for medical research, D.G. Altman; "Nomogram, p.456"