Results 151 to 160 of about 165,714 (281)

Assessment of Skin in Patients With Systemic Sclerosis Using High‐Frequency Ultrasound and Shear Wave Elastography: A Comparative Study With Histology, Molecular, and Clinical Parameters

open access: yesArthritis Care &Research, EarlyView.
Objective Ultrasound (US) has been proposed as a potential tool for assessing skin fibrosis in systemic sclerosis (SSc). However, a large‐scale comparison of US‐based assessment with histologic markers of skin fibrosis has not been reported. We evaluated US‐based skin assessments for their face validity (differentiation between involved SSc and healthy
Ruhani Desai   +12 more
wiley   +1 more source

Diffusion‐Weighted Imaging for the Evaluation of the Sacroiliac Joint in Pediatric Patients

open access: yesArthritis Care &Research, EarlyView.
Objective Maturational signal in the sacroiliac joint (SIJ) of skeletally immature youth is often misinterpreted as inflammation. Diagnostic tools that improve specificity are greatly needed. Apparent diffusion coefficient (ADC) values from diffusion‐weighted imaging (DWI), when used with standard imaging, may enhance diagnostic accuracy.
Michael L. Francavilla   +6 more
wiley   +1 more source

Clinical Conditions Associated With a High Antinuclear Antibody Titer in Individuals Without Autoimmune Disease

open access: yesArthritis Care &Research, EarlyView.
Objective Antinuclear antibodies (ANAs) are present at high titers in 2% of the general population, but their clinical significance in individuals without an autoimmune (AI) disease is not known. We tested the hypothesis that the presence of a high ANA titer in non‐AI conditions is associated with disease.
Matthew Chung   +7 more
wiley   +1 more source

Construção e avaliação de um protótipo de máquina coletora de anteras Construction and evaluation of an anther collector prototype machine

open access: yesRevista Brasileira de Fruticultura, 2013
Um protótipo de máquina coletora de anteras foi projetado e construído, e seu desempenho foi avaliado, comparando - se com o método de coleta manual, em flores rosáceas e campanuladas de pessegueiro (Prunus persica).
Rodrigo Tonet   +3 more
doaj  

The generation of a Gaussian random process in a position parameter [PDF]

open access: yes
Analog computer method for approximating stationary Gaussian random process depending only on position ...
Finn, D. L., Yates, W. A.
core   +1 more source

Agricultural mechanization and the performance of the local Chinese economy

open access: yesFood Policy
Baoling Zou   +3 more
semanticscholar   +1 more source

Differential Item Functioning on the Patient Health Questionnaire 8 by Disease Subtype, Language, Sex, and Age Among People With Systemic Sclerosis: A Scleroderma Patient‐Centered Intervention Network Cohort Study

open access: yesArthritis Care &Research, EarlyView.
Objective Somatic items used in depression assessments can potentially overlap with symptoms related to physical illness, including systemic sclerosis (SSc). No studies have looked at whether somatic depression items may be influenced by diffuse versus limited SSc disease subtypes, which are associated with varying degrees of symptom presentation.
Sophie Hu   +110 more
wiley   +1 more source

CONTROLANDO LA MANO INVISIBLE: LA SOCIEDAD NACIONAL DE AGRICULTURA Y EL MERCADO DE MAQUINARIA AGRÍCOLA (1889-1922)

open access: yesHistoria (Santiago), 2009
A través de un estudio del papel de la Sociedad Nacional de Agricultura (SNA) en el debate político-económico respecto de las reformas aduaneras de 1889 y 1897, así como de su participación directa en el mercado de equipo agrícola entre fines de la ...
Claudio Robles Ortiz
doaj  

Retractions in Rheumatology: Trends, Causes, and Implications for Research Integrity

open access: yesArthritis Care &Research, EarlyView.
Objective We aimed to describe the trends and main reasons for study retraction in rheumatology literature. Methods We reviewed the Retraction Watch database to identify retracted articles in rheumatology. We recorded the main study characteristics, authors’ countries, reasons for retraction, time from publication to retraction, and trends over time ...
Anna Maria Vettori, Michele Iudici
wiley   +1 more source

Sowing depths of brachiaria in intercropping with corn in no tillage planting Profundidade de semeadura de braquiárias em consorciação com milho em plantio direto

open access: yesEngenharia Agrícola, 2013
The forage production in crop-livestock integration is critical both for formation of straw for no tillage planting and food for livestock farm. The experiment was conducted in the autumn/winter of 2009 and 2010, in the city of Selvíria -state of Mato ...
Rodolfo de N. Gazola   +4 more
doaj  

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