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TcyanosisT??????deoxyhemoglobin ?????reduced Hb ???????????????????????????????????????????????
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( l ??????????????????????????( V / Q ?????????
( 2 ??????Fallot?Eissenmenger?????????????????????1/3 R
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?? 2010-04-15 16:51 ?? ???
??? 2010-04-15 16:58 ????????????????
?? 2010-04-15 16:51 ?? ???
??? 2010-04-15 16:58 ????????????????