PT - JOURNAL ARTICLE AU - Miriam Shuchman TI - Striving for Mars: What are acceptable risks? AID - 10.1503/cmaj.109-4636 DP - 2014 Jan 07 TA - Canadian Medical Association Journal PG - E7--E8 VI - 186 IP - 1 4099 - http://www.cmaj.ca/content/186/1/E7.short 4100 - http://www.cmaj.ca/content/186/1/E7.full SO - CMAJ2014 Jan 07; 186