“This important event, this great change which
takes place in the lungs, the heart, and the liver,
from the state of a foetus, kept alive by the
umbilical cord, to that state when life cannot be
carried on without respiration, whereby the lungs
must be fully expanded with air, and the whole
mass of blood instead of one fourth part be
circulated through them, the ductus venosus,
foramen ovale, ductus arteriosus, and the
umbilical arteries and vein must all be closed, and
the mode of circulation in the principal vessels
entirely altered --
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Notes