PT  - JOURNAL ARTICLE
AU  - J. J. Caro
AU  - J. A. O'Brien
AU  - S. C. Hartz
TI  - Canadian National Breast Screening Study
DP  - 1993 Mar 15
TA  - Canadian Medical Association Journal
PG  - 876--877
VI  - 148
IP  - 6
4099  - http://www.cmaj.ca/content/148/6/876.short
4100  - http://www.cmaj.ca/content/148/6/876.full
SO  - CMAJ1993 Mar 15; 148