1. Central nervous system dysfunction and erythrocyte guanosine triphosphate depletion in purine nucleoside phosphorylase deficiency. Issue 4 (April 1987) Authors: Simmonds, H A; Fairbanks, L D; Morris, G S; Morgan, G; Watson, A R; Timms, P; Singh, B Journal: Archives of disease in childhood Issue: Volume 62:Issue 4(1987) Page Start: 385 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗