PT - JOURNAL ARTICLE AU - Murdoch, L. A. TI - The use of vitamin K in the perinatal period DP - 1989 Jan 01 TA - Canadian Medical Association Journal PG - 13a--14 VI - 140 IP - 1 4099 - http://www.cmaj.ca/content/140/1/13a.short 4100 - http://www.cmaj.ca/content/140/1/13a.full SO - CMAJ1989 Jan 01; 140