title: Determining the frequency of sporadic cases of rare X-linked disorders.
abstract: This paper gives formulae for calculating the gene frequency, incidence and proportion of sporadic cases of rare X-linked recessive disorders, taking account of the possibility of early recognition of carriers and fitness of affected males.
authors.affiliation: School of Mathematics and Statistics, F07, University of Sydney, Sydney, NSW 2006, Australia.
authors.forename: Alan Edmund
authors.initials: AE
authors.lastname: Stark
keywords: Rare; X-linked; recessive