Peris-Díaz, Manuel David
Sentandreu, Miguel A.
Sentandreu, Enrique
Article History
Received: 19 December 2017
Revised: 27 March 2018
Accepted: 11 April 2018
First Online: 7 May 2018
Compliance with ethical standards
: Written informed consent was obtained from the healthy volunteer who donated urine samples. This was not a medical study in any form. Samples were used just to optimize liquid chromatography–mass spectrometry analysis of underivatized urinary amino acids through chemometrics.
: The authors declare that they have no competing interests.