The epidemiology of severe intellectual impairment
Subtitle: the dynamics of prevalence
By: Tom Fryers.
Publisher: Academic Press
Published: 1984
Place of publication: London; Orlando, Fla
Language: eng
Number of pages: 244
Subjects: Mental retardation -- Epidemiology.; Mental Retardation -- occurrence.
Notes: Bibliography: p. 210-231.
Includes index.