1. The Use of Penicillin in the Treatment of Syphilis of the Central Nervous System;Callaway;Am. J. Syph., Gonor. & Ven. Dis,1946
2. Penicillin y Syphilis;Castanedo y Pardo;Revista de sifilog., leprologia y dermatologia,1945
3. Medical Progress: Syphilis, New England;Crawford;J.M,1947
4. Management of Neurosyphilis;Dattner,1944
5. Action de la pénicilline dans une paralyse générale juvenile;Delay;Ann. Méd. Psychol,1946