@article{13b415b176bc4fa98b4667a374ad1b74,
title = "Head-to-head comparison of quantitative and semi-quantitative ultrasound scoring systems for rheumatoid arthritis: reliability, agreement and construct validity",
abstract = "To evaluate the reliability and agreement of semi-quantitative scoring (SQS) and quantitative scoring (QS) systems. To compare the two types of scoring system and investigate the construct validity for both scoring systems.",
keywords = "Arthritis, Rheumatoid, Carpal Joints, Cross-Sectional Studies, Female, Humans, Male, Middle Aged, Observer Variation, Reproducibility of Results, Severity of Illness Index, Ultrasonography, Doppler, Color",
author = "Lene Terslev and Karen Ellegaard and Robin Christensen and Marcin Szkudlarek and Schmidt, {Wolfgang A} and Jensen, {Peter S} and Henning Bliddal and S{\o}ren Torp-Pedersen",
year = "2012",
doi = "10.1093/rheumatology/kes124",
language = "English",
volume = "51",
pages = "2034--8",
journal = "Rheumatology",
issn = "1462-0324",
publisher = "Oxford University Press",
number = "11",
}