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To assess the fetal development of the complement system, C3 and C4 in umbilical arterial and
venous blood were measured, and compared with those in maternal sera. Moreover, C3 and C4 in
maternal sera were compared with those in normal adult women’s sera.
The results were as following:
1) The difference of mean C3 and C4 between neonatal umbilical arterial and venous blood was not... |