PT - JOURNAL ARTICLE ED - , TI - The pulmonary surfactant DP - 1969 Oct 04 TA - Canadian Medical Association Journal PG - 109--110 VI - 101 IP - 7 4099 - http://www.cmaj.ca/content/101/7/109.short 4100 - http://www.cmaj.ca/content/101/7/109.full SO - CMAJ1969 Oct 04; 101