Fast analysis of caffeinated beverages using laser diode thermal desorption mass spectrometry (LDTD-MS/MS) - Wendy C. Andersen; Michael VanSickle; Joseph Storey; Virginia Sheldon; Jack Lohne; Sherri B. Turnipseed; Terri Thomas; Mark Madson (Food Additives & Contaminants: Part A, 2019)