Genetic studies in mental subnormality - Davison, Brigid C. Clare; Swift, Peter N.; Benson, Philip F.; Studdy, John D. (The British journal of psychiatry / Special publication, 1973)
Enth.: Familial idiopathic severe subnormality / Brigid C. Davison. - The application of genetic principles to screening for metabolic disorders / Peter N. Swift ; Philip F. Benson ; John D. Studdy