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Abisf Abisf
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6 years ago
A newborn derives passive immunity from its mother as a result of placental transfer of _____ during pregnancy.
 
  a. IgA
  b. IgD
  c. IgE
  d. IgG
  e. IgM.
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holaholapiepieholaholapiepie
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6 years ago
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