PT  - JOURNAL ARTICLE
AU  - K. S. Joseph
AU  - Michael S. Kramer
TI  - Recent versus historical trends in preterm birth in Canada
DP  - 1999 Nov 30
TA  - Canadian Medical Association Journal
PG  - 1409--1409
VI  - 161
IP  - 11
4099  - http://www.cmaj.ca/content/161/11/1409.short
4100  - http://www.cmaj.ca/content/161/11/1409.full
SO  - CMAJ1999 Nov 30; 161