PT - JOURNAL ARTICLE AU - Donald B. Langille TI - Teenage pregnancy: trends, contributing factors and the physician's role AID - 10.1503/cmaj.070352 DP - 2007 May 22 TA - Canadian Medical Association Journal PG - 1601--1602 VI - 176 IP - 11 4099 - http://www.cmaj.ca/content/176/11/1601.short 4100 - http://www.cmaj.ca/content/176/11/1601.full SO - CMAJ2007 May 22; 176