
GC/MS determination of guanidinoacetate and creatine in urine: A routine method for creatine deficiency syndrome diagnosis
Keywords: Crn، کراتینین; GC/MS, gas chromatography/mass spectrometry; CDS, creatine deficiency syndrome; Cr, creatine; GAMT, guanidinoacetate methyltransferase; AGAT, arginine:glycine amidinotransferase; GAA, guanidinoacetate; Crn, creatinine; SLC6A8, creatine transporterGas chro