PT  - JOURNAL ARTICLE
AU  - John Graham
TI  - Reference-based refinements
DP  - 2003 Apr 29
TA  - Canadian Medical Association Journal
PG  - 1114--1115
VI  - 168
IP  - 9
4099  - http://www.cmaj.ca/content/168/9/1114.2.short
4100  - http://www.cmaj.ca/content/168/9/1114.2.full
SO  - CMAJ2003 Apr 29; 168