we evaluated 278 patients with chd by 2-d doppler including asds ( 75 patients ) , vsd ( 76 patients ) , tof ( 23 patients ) , tga ( 12 patients ) , pda ( 23 patients ) , ecd ( 13 patients ) , and 60 miscellaneous types of chd during 27 months .
C0013274
pda
C0152021
of