PT  - JOURNAL ARTICLE
AU  - Michael S. Jansz
TI  - Selection bias
AID  - 10.1503/cmaj.732958
DP  - 2017 May 08
TA  - Canadian Medical Association Journal
PG  - E673--E673
VI  - 189
IP  - 18
4099  - http://www.cmaj.ca/content/189/18/E673.short
4100  - http://www.cmaj.ca/content/189/18/E673.full
SO  - CMAJ2017 May 08; 189