PT - JOURNAL ARTICLE AU - Goel, V. AU - Summers, A. AU - Holzapfel, S. AU - Glazier, R. TI - Maternal serum screening DP - 1999 Apr 20 TA - Canadian Medical Association Journal PG - 1125--1126 VI - 160 IP - 8 4099 - http://www.cmaj.ca/content/160/8/1125.3.short 4100 - http://www.cmaj.ca/content/160/8/1125.3.full SO - CMAJ1999 Apr 20; 160