PT  - JOURNAL ARTICLE
AU  - Shier, K. J.
TI  - Screening for Down's syndrome
DP  - 1987 Dec 01
TA  - Canadian Medical Association Journal
PG  - 989--989
VI  - 137
IP  - 11
4099  - http://www.cmaj.ca/content/137/11/989.short
4100  - http://www.cmaj.ca/content/137/11/989.full
SO  - CMAJ1987 Dec 01; 137