Laboratory competence and quality are ensured through adherence to ISO/IEC 17025 standards, which guarantee the accuracy and reliability of testing and calibration processes
A room air content sample was also collected directly through Tenax tube for each exhaled breath sample using an Easy-VOC syringe (Markes International) to control for environmental conditions at sampling
Maslak P, McKenzie S, Scheinberg D, Andreeff M , Clarkson B
Furthermore, a recent scientific statement from the American Heart Association (AHA) noted that dysautonomia patients exhibiting severe exercise intolerance frequently had notably abnormal levels of plasma carnitine-conjugated and free fatty acids
These devices are not always promptly commercially available, and their availability mainly depends on the local economic context and established practices
Andreadis P, Karagiannis T, Malandris K, Avgerinos I, Liakos A, Manolopoulos A, et al