PT - JOURNAL ARTICLE AU - Groenwold, Rolf H.H. AU - Klungel, Olaf H. AU - Altman, Douglas G. AU - van der Graaf, Yolanda AU - Hoes, Arno W. AU - Moons, Karel G.M. TI - Adjustment for continuous confounders: an example of how to prevent residual confounding AID - 10.1503/cmaj.120592 DP - 2013 Jan 01 TA - Canadian Medical Association Journal PG - cmaj.120592 4099 - http://www.cmaj.ca/content/early/2013/02/11/cmaj.120592.short 4100 - http://www.cmaj.ca/content/early/2013/02/11/cmaj.120592.full