platelets obtained from 18 healthy volunteers , were exposed in vitro for 30 min in a closed chamber to oxygen-carbon dioxide ( 90 % , 5 % ) ( control ) , oxygen-carbon dioxide-nitrous oxide ( 80 % ) , or oxygen-carbon dioxide-isoflurane ( 1.5 % ) with or without nitrous oxide ( 80 % ) .
C1874720
oxygen-carbon dioxide
C0007012
carbon