1. Purine and pyrimidine disorders;Simmonds,1987
2. Clinical, post mortem, biochemical and therapeutic observations on the Lesch-Nyhan syndrome with particular reference to the neurological manifestations;Watts;Quart J Med,1982
3. Genetic deficiencies of adenosine deaminase and purine nucleoside phosphorylase: overview, genetic heterogeneity and therapy;Hirschhorn;Birth defects: original article series,1983
4. CNS dysfunction and erythrocyte GTP depletion in inherited purine nucleoside phosphorylase deficiency;Simmonds;Arch Dis Child,1987
5. An X-linked syndrome characterised by hyperuricaemia, deafness and neurodevelopmental abnormalities;Simmonds;Lancet,1982