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Snake venom has been used
as
a
medicine for
a
long
time.
Specialists
began
clinical
observation
and research
on
venom
after discovering
that
continued bleeding occurred
after
snake
bites.
ln the
1960's, medical
researchers successfully extracted
an
anti-coagulating material,
Ancrod,
from
venom.
Ancrod
has
proved
effective
in the
treatment
of life
threatening
diseases such as
cerebral
embolism.
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