RT Journal Article SR Electronic T1 Acclimation during space flight: effects on human physiology JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1317 OP 1323 DO 10.1503/cmaj.090628 VO 180 IS 13 A1 David Williams A1 Andre Kuipers A1 Chiaki Mukai A1 Robert Thirsk YR 2009 UL http://www.cmaj.ca/content/180/13/1317.abstract