AUC	Area under the curve
AUS/FLUS	Atypical or follicular lesions of undetermined significance
DDA	Data-dependent acquisition
DIA	Data-independent acquisition
FNAB	Fine-needle aspiration biopsy
GABA	Gamma-amino butyric acid
GC-MS	Gas chromatography coupled to mass spectrometry
HMDB	Human metabolome database
HR-MAS	High-resolution magic angle spinning
J-Res	J-resolved spectroscopy
KEGG	Kyoto Encyclopedia of Genes and Genomes
LC-MS	Liquid chromatography coupled to mass spectrometry
MALDI-TOF/TOF	Matrix-assisted laser desorption/ionisation tandem time-of-flight
MAPK	Mitogen-activated protein kinase
miRNAs	Micro RNA molecules
MRSI	Magnetic resonance spectroscopy imaging
MS	Mass spectrometry
NMR	Nuclear magnetic resonance
OPLS-DA	Orthogonalized partial least squares discriminant analysis
ROC	Receiver operating characteristic
TOCSY	Total correlation spectroscopy
UPLC-MS	Ultra-performance liquid chromatography coupled to mass spectrometry