1. Altman DG (1991) Practical statistics for medical research. Chapman and Hall/CRC, Boca Raton
2. Becher H, Kyobutungi C, Laki J, Ott JJ, Razum O, Ronellenfitsch U, Winkler V (2007) Mortalität von Aussiedlern aus der ehemaligen Sowjetunion: Ergebnisse einer Kohortenstudie. Dtsch Arztebl 104:1655–1662
3. Cohen J (1960) A coefficient of agreement for nominal scales. Educ Psychol Meas 20:37–46
4. Curb JD, Ford CE, Pressel S, Palmer M, Babcock C, Hawkins CM (1985) Ascertainment of vital status through the National Death Index and the Social Security Administration. Am J Epidemiol 121:754–766
5. Giersiepen K, Greiser E (1989) Coding of cause of death for mortality statistics: a comparison with results of coding by various statistical offices of West Germany and West Berlin. Offentl Gesundheitswes 51:40–47