PT - JOURNAL ARTICLE AU - Øystein Kravdal TI - The fixed-effects model admittedly no quick fix, but still a step in the right direction and better than the suggested alternative AID - 10.1136/jech.2010.131078 DP - 2011 Apr 01 TA - Journal of Epidemiology and Community Health PG - 291--292 VI - 65 IP - 4 4099 - http://jech.bmj.com/content/65/4/291.short 4100 - http://jech.bmj.com/content/65/4/291.full SO - J Epidemiol Community Health2011 Apr 01; 65