“…Malykin, Sokolin, and Vasil'ev (1958) showed improved electro-encephalograms in patients with GPI on antibiotic therapy, those on arsenicals and bismuth preparations showed deterioration in the electro-encephalograms for a time, which was later followed by improvement. Kaplan, Ryan, Thomas, Cutler, and Jenkins (1958) and Kaplan, Ryan, Thomas, Cutler, and Jones (1958) suggested high success rates with arsenicals and bismuth.…”