_:vb50956804 . _:vb50956804 . _:vb50956804 . _:vb50956804 "url:http://www.merckmanuals.com/professional/sec19/ch279/ch279d.html"^^ . _:vb50956804 "A syphilis that results_in a multisystem infection in the fetus via the placenta."^^ . _:vb50956804 . _:vb50956804 .