_:vb50946574 . _:vb50946574 "A tertiary neurosyphilis that results_in mild meningitis."^^ . _:vb50946574 . _:vb50946574 . _:vb50946574 . _:vb50946574 . _:vb50946574 "url:http://www.merckmanuals.com/professional/sec14/ch194/ch194i.html?qt=latent%20syphylis&alt=sh"^^ .