PT - JOURNAL ARTICLE AU - Baird, P. A. TI - Measuring birth defects and handicapping disorders in the population: the British Columbia Health Surveillance Registry DP - 1987 Jan 15 TA - Canadian Medical Association Journal PG - 109--111 VI - 136 IP - 2 4099 - http://www.cmaj.ca/content/136/2/109.short 4100 - http://www.cmaj.ca/content/136/2/109.full SO - CMAJ1987 Jan 15; 136