PT - JOURNAL ARTICLE AU - Timothy Krahn TI - Where are we going with preimplantation genetic diagnosis? AID - 10.1503/cmaj.061690 DP - 2007 May 08 TA - Canadian Medical Association Journal PG - 1445--1446 VI - 176 IP - 10 4099 - http://www.cmaj.ca/content/176/10/1445.short 4100 - http://www.cmaj.ca/content/176/10/1445.full SO - CMAJ2007 May 08; 176