PT - JOURNAL ARTICLE AU - Edmonds, J. F. TI - Change in design of life preservers may save lives DP - 1979 Jan 20 TA - Canadian Medical Association Journal PG - 132b--132 VI - 120 IP - 2 4099 - http://www.cmaj.ca/content/120/2/132b.short 4100 - http://www.cmaj.ca/content/120/2/132b.full SO - CMAJ1979 Jan 20; 120