,
..
“.=_._—
--—-
-2-
.
.
___ . . .
..
.
—
-.
of Spiers uses’cy UZSC22.R(22).
mtherst =ilk.
.
There is
hm?m breast zi%
is
ratio exists i-o= the fetus and nek’~cm relative to the adult
1,2
diet.
This
ratio has been obsemed directly”and cm also be calculatedfrm
data
1,6
which iiidicatethat the average OR body/die~ for adults is 0.25;
.
when
factor of 2 i2crossttieplacental or i=mary mmbrane,
of 0.1 to 0.L6 for ~L)
or fetus is obtained.