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The
morbidity
of
congenital cardiac
drsease
is
the
highest
of
all
children
heart
diseases.
About
7-8o/o
of
infants
suffer from
this
disease.
Without
prompt
treatment,
a
third of them would
die
within a
month
of birth.
Of those survived,
60ok
die
within a year,
and
only
1-2%
live to be
grown-up.
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