You may also wish to search for items by Tan, W. and Tan.
Only one matching reference was found.
Richards, M.; Wong, Y.S.; Tan, W.C.; Tan, I.K.; Ng, T.L., Profiling urinary organic acids for the diagnosis of inborn errors of metabolism by GC/MS, Bull. Sing. N.I. Chem., 1992, 20, 135-143. [all data]