studies of the levels of serum iga , igg , and igm , of b and t lymphocyte function in 20 neonates of days 7-8 of life ( funic blood ) and their mothers , in children aged 1,3,6,9 and 12 months made it possible to define the characteristic features of the establishment of humoral and cellular immunity during the first year of the child 's life .
C0021289
neonates
C0008059
children