Y. Contreras

Determination of losartan, telmisartan, and valsartan by direct injection of human urine into a column-switching liquid chromatographic system with fluorescence detection

Marı́a del Rosario Brunetto, Y. Contreras, Sabrina Clavijo et al. · Journal of Pharmaceutical and Biomedical Analysis · 2009 · 73 citations

Human Urine, Fluorescence Detection, Gas Chromatography +12

Analysis of cocaine and benzoylecgonine in urine by using multisyringe flow injection analysis‐gas chromatography‐mass spectrometry system

Marı́a del Rosario Brunetto, Yelitza Delgado, Sabrina Clavijo et al. · Journal of Separation Science · 2010 · 31 citations

Engineering, Forensic Chemistry, Gc-ms Detection +22

Head-space flow injection for the on-line determination of iodide in urine samples with chemiluminescence detection

J.L. Burguera, Marı́a del Rosario Brunetto, Y. Contreras et al. · Talanta · 1996 · 26 citations

Engineering, Head-space Flow Injection, Mass Spectrometry +8

Development and Validation of a Rapid Column-Switching High-Performance Liquid Chromatographic Method for the Determination of Lamotrigine in Human Serum

Marı́a del Rosario Brunetto, Y. Contreras, Yelitza Delgado et al. · Journal of Chromatographic Science · 2009 · 15 citations · Full text

Biochemistry, Separation Science, Medicine +14

Serum Trace Elements and Fat-soluble Vitamins A and E in Healthy Pre-school Children from a Venezuelan Rural Community

Maurizia Rossana Brunetto, O.M. Alarcón, E. Dávila et al. · Journal of Trace Elements in Medicine and Biology · 1999 · 13 citations

Nutrition, Fat-soluble Vitamins A, Nutrient Bioavailability +10