1. The prevalence of narcolepsy (abstract);Sleep Res,1972
2. The prevalence of narcolepsy II (abstract);Sleep Res,1973
3. Narcolepsy in Negroes;Dis Nerv Syst,1945
4. The epidemiology of narcolepsy in Olmsted County, Minnesota: a population-based study;Sleep,2002
5. Prevalence of narcolepsy in King County, Washington, USA;Sleep Medi,2008