considering all possible errors and the results of re-investigations of igm non-reactive infants of syphilitic mothers ( up to one year after birth ) it is demonstrated that congenital syphilis can be differentiated from passively transmitted 7s ( igg ) class antibodies ( of the mother ) or 19s ( igm ) class anti-antibodies ( of the child ) with a significance of about 99 % .
C0021270
infants
C0008059
child