1. Extract from the Annual Report of the Chief Medical;Br J Vener Dis;Officer,1982
2. Cardiovascular pathology. Vol 2;Silver, MD,1983
3. The Oslo study of the natural course of untreated syphilis: an epidemiologic investigation based on a restudy of the BoeckBruusgaard material;Clark, E.G.; Danbolt, M.;Med Clin N Am,1964
4. The Tuskegee study of untreated syphilis: the thirtieth year of observation;Rockwell, D.H.; Yobs, A.R.; Moore, M.B.;Arch Intern Med,1964
5. The incidence and management of coronary ostial stenosis;Hutter, J.A.; Pasaoglu, I.; Williams, B.T.;J Cardiovasc Surg (Torino),1985