PT  - JOURNAL ARTICLE
AU  - Jeffrey Mahon
TI  - Direct and indirect randomized trials of screening: the A's and D's of evidence-based clinical practice guidelines
DP  - 2000 Apr 04
TA  - Canadian Medical Association Journal
PG  - 1002--1004
VI  - 162
IP  - 7
4099  - http://www.cmaj.ca/content/162/7/1002.short
4100  - http://www.cmaj.ca/content/162/7/1002.full
SO  - CMAJ2000 Apr 04; 162