PT - JOURNAL ARTICLE AU - Quick, A. J. TI - Prothrombin estimations DP - 1969 Jan 18 TA - Canadian Medical Association Journal PG - 132--132 VI - 100 IP - 3 4099 - http://www.cmaj.ca/content/100/3/132.short 4100 - http://www.cmaj.ca/content/100/3/132.full SO - CMAJ1969 Jan 18; 100