title: The biochemical mechanism of metabolic cooperation.
mesh_terms: D001345:Autoradiography; D002460:Cell Line; D002478:Cells, Cultured; D046508:Culture Techniques / Q000379:methods; D005347:Fibroblasts / Q000378:metabolism; D006801:Humans; D019271:Hypoxanthine; D007041:Hypoxanthine Phosphoribosyltransferase / Q000172:deficiency* / Q000378:metabolism; D007042:Hypoxanthines / Q000378:metabolism; D007926:Lesch-Nyhan Syndrome / Q000201:enzymology; D008297:Male; D009154:Mutation; D014316:Tritium
chemical_list: D007042:Hypoxanthines; D014316:Tritium; D019271:Hypoxanthine; D007041:Hypoxanthine Phosphoribosyltransferase