Cite
MLA Citation
Tommi Härkänen et al.. “Systematic handling of missing data in complex study designs – experiences from the Health 2000 and 2011 Surveys.” Journal of applied statistics, vol. 43, no. 15, 2016, pp. 2772–2790. http://access.bl.uk/ark:/81055/vdc_100038672530.0x00003f