4. ANTIMONY
III. INTRAVENOUS
1. MERCURY
2. MERCURIALIZED SERUM
3. SALVARSAN, NEOSALVARSAN, ARSENIC
4. IODIDES
IV. SPINAL INTRADURAL
1. SALVARSANIZED SERUM (In Vivo—Swift-Ellis)
2. SALVARSANIZED SERUM (In Vitro—Marinesco-Ogilvie)
3. MERCURIALIZED SERUM (Byrnes)