1. The real history of syphilis;Brothwell;Science Journal,1970
2. British Museum natural radiocarbon measurements VIII;Burleigh;Radiocarbon,1976
3. Dendrochronologic calibration of the carbon-14 time scale;Damon,1972
4. Syphilis;Goff,1967
5. On the origin of the human treponematoses;Hackett;Bulletin of the World Health Organization,1963