1. Nahmias AJ, Lee FK, Beckman-Nahmias S. (1990) Sero-epidemiological and -sociological patterns of herpes simplex virus infection in the world Scand J Infect Dis Suppl 69: 19–36.
2. Trends in herpes simplex virus type 1 and type 2 seroprevalence in the united states JAMA;F Xu,2006
3. Seroprevalence and coinfection with herpes simplex virus type 1 and type 2 in the united states, 1988–1994 J Infect Dis;F Xu,2002
4. Nesburn AB. (1983) Report of the corneal disease panel: Vision research: A national plan 1983–1987.
5. Epidemiology of ocular herpes simplex. incidence in rochester, minn, 1950 through 1982;Arch Ophthalmol,1989