PT  - JOURNAL ARTICLE
ED  - ,
TI  - The two-step to two-tier
AID  - 10.1503/cmaj.1041347
DP  - 2004 Sep 14
TA  - Canadian Medical Association Journal
PG  - 541--541
VI  - 171
IP  - 6
4099  - http://www.cmaj.ca/content/171/6/541.short
4100  - http://www.cmaj.ca/content/171/6/541.full
SO  - CMAJ2004 Sep 14; 171