Relevant literature:
General:
Magnus P, Bakketeig LS: Epidemiologi, Gyldendal Akademisk. (last edition October 2013)
Rothman KJ. Epidemiology. An Introduction. Oxford University Press, New York 2002.
Telle DS. Epidemiology. A basis for public health and disease prevention. Gyldendal Akademisk 2015.
Special:
Veier?d, Lydersen and Laake, Medical Statistics in clinical and epidemiological research, 2012. – for DAGs and power calculations
Other relevant literature for theory and analyses:
Statistics:
Aalen OO red. Statistiske metoder i medisin og helsefag. (2006)
Altman DG. Practical statistics for medical research. (1991)
Laake P, Benestad HB, Olsen BR. Research Methodology in the Medical and Biological Sciences, Elsevier-AP, Amsterdam 2007, ISBN: 978-0-12-373874-5
Advanced epidemiology:
Rothman K, Greenland, Lash. Modern Epidemiology. (3rd edition, 2008)