On the variation of urinary excretion of creatinine and purine derivatives in pregnant and lactating ewes given diets with different protein contents

This article focuses on the research activities performed in Argentina in the field of Analytical Chemistry in the last five years. It is organized in four major areas: I) Spectroscopy, II) Mass Spectrometry, III) Chromatography and IV) Electrochemistry. Citations, in general, are limited to journal articles and usually do not include patents, proceedings, reports and dissertations.