1. Andersson N: Mesoanalysis: Quantifying qualitative data from communities and services. Evidence based planning: the philosophy and methods of sentinel community surveillance. 1996, Washington: EDI/WorldBank
2. Andersson N: Meso-analysis: quantifying qualitative data from communities and public services. Proceedings of the Joint IASS/IAOS Conference, Statistics for Economic and Social Development. 1998, Aguascalientes, Mexico, 1-12.
3. Andersson N, Paredes S, Legorreta J, Ledogar R.J: Who pays for measles? The economic argument in favour of sustained universal child immunisation. Health Policy and Planning. 1992, 15 (3): 263-272.
4. Liang KY, Zeger SL: Longitudinal data analysis using generalized linear models. Biometrika. 1986, 73: 13-22. 10.1093/biomet/73.1.13.
5. Zeger SL, Liang KY: The analysis of discrete and continuous longitudinal data. Biometrics. 1986, 42: 121-30. 10.2307/2531248.