Virtudes Álvarez

Within-subject biological variation in disease: collated data and clinical consequences

Carmen Ricós, Natàlia Iglesias, José-Vicente García-Lario et al. · Annals of Clinical Biochemistry International Journal of Laboratory Medicine · 2007 · 189 citations

Phenotypic Variation, Healthy Subjects, Disease Progression +19

Biological variation database: structure and criteria used for generation and update

Carmen Perich, Joana Minchinela, Carmen Ricós et al. · Clinical Chemistry and Laboratory Medicine (CCLM) · 2014 · 98 citations

Quality indicators and specifications for key analytical-extranalytical processes in the clinical laboratory. Five years’ experience using the Six Sigma concept

María Antonia Llopis, Glòria Trujillo, Ma Isabel Llovet et al. · Clinical Chemistry and Laboratory Medicine (CCLM) · 2011 · 63 citations

Preanalytical quality control program – an overview of results (2001–2005 summary)

M. Jesús Alsina, Virtudes Álvarez, Núria Barba et al. · Clinical Chemistry and Laboratory Medicine (CCLM) · 2008 · 61 citations

Biological variation in urine samples used for analyte measurements

Carmen Ricós, Cíntia Jiménez, A. Hernández et al. · Clinical Chemistry · 1994 · 59 citations