Results 81 to 90 of about 227,916 (293)

The wooden handle of a stone hammer-axe from the Eneolithic pile-dwelling settlement Stare gmajne near Verd in the Ljubljansko barje, Slovenia [PDF]

open access: yes, 2008
A stone hammer-axe from the second half of the 4th millennium BC was excavated at the pile dwelling Stare gmajne in the Ljubljansko barje, Slovenia. The axe had a preserved part of the wooden handle which is rare.
Tolar, Tjaša   +2 more
core  

Coordination of Foliar and Wood Anatomical Traits Contributes to Tropical Tree Distributions and Productivity along the Malay-Thai Peninsula [PDF]

open access: yes, 2009
Drought is a critical factor in plant species distributions. Much research points to its relevance even in moist tropical regions. Recent studies have begun to elucidate mechanisms underlying the distributions of tropical tree species with respect to ...
Baltzer, Jennifer L.   +4 more
core   +2 more sources

Accuracy of Diagnostic Codes and Algorithms Used to Identify Rheumatoid Arthritis and Juvenile Idiopathic Arthritis in Administrative Claims and Electronic Health Records: Systematic Review and Meta‐Analysis

open access: yesArthritis Care &Research, EarlyView.
Objective This systematic review aimed to assess the diagnostic accuracy of algorithms used to identify rheumatoid arthritis and juvenile idiopathic arthritis in electronic health records. Methods We searched Medline, Embase, and Cochrane Central Register for Controlled Trials databases and included studies that validated case definitions against a ...
Constanza Saka‐Herrán   +10 more
wiley   +1 more source

The past distribution of pinus nigra arnold in northern iberia. Contribution from its macroremains. [PDF]

open access: yes, 2011
The presence of Pinus nigra in central Spain, where its natural populations are very rare, has led to different interpretations of the current vegetation dynamics.
Garcia-Amorena Gomez del Moral, Ignacio   +5 more
core   +1 more source

Performance Characteristics of Anti–Collagen II Antibodies in Relapsing Polychondritis and Related Diseases: Prospective Analysis, Systematic Review, and Meta‐Analysis

open access: yesArthritis Care &Research, EarlyView.
Objective Relapsing polychondritis (RP) is a rare disease defined by recurrent cartilaginous inflammation. Anti–collagen II (Col2) antibodies have been proposed as a diagnostic biomarker for RP, but their performance characteristics are not well defined.
Karyssa Stonick   +6 more
wiley   +1 more source

ANATOMI DAN IDENTIFIKASI KAYU KAPUR (Dryobalanops) (ANATOMY AND IDENTIFICATION OF KAPUR (Dryobalanops) WOOD)

open access: yesJurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2017
The anatomy of 9 wood species belonging to genera of Dryobalanops was studied, described and then compared. Dryobalanops rappa Becc differ from others in the absence of silica body in rays cell. Although the morphology of D. oocarpa V.SI.
Nenny S Sudarna
doaj   +1 more source

Does Long‐Term Lower Extremity Strength Training in Adults With Knee Osteoarthritis and Varus Alignment Reduce Knee Joint Loading During Gait?

open access: yesArthritis Care &Research, EarlyView.
Objective We examined whether 18 months of strength training in individuals with knee varus alignment and medial tibiofemoral osteoarthritis (OA) reduced knee joint loads during walking compared to an attention control group. Methods This study was a secondary analysis of a randomized clinical trial that compared the effects of strength training to a ...
Stephen P. Messier   +12 more
wiley   +1 more source

Montane forest tree species have lower hydraulic efficiency and vulnerability than lowland forest species in the Atlantic Forest [PDF]

open access: yesRodriguésia
The adaptations of plants to different environments are closely related to their wood anatomical traits. This study investigated the wood anatomy of a montane forest community and compared it with anatomical data from three other areas in the Atlantic ...
Leonardo Bona do Nascimento   +10 more
doaj   +1 more source

Wood Anatomy of Crossosomatales: Patterns of Wood Evolution with Relation to Phylogeny and Ecology [PDF]

open access: yes, 2007
The seven families hypothesized by Sosa and Chase to comprise Crossosomatales possess relatively long vessel elements with scalariform perforation plates and scalariform to opposite vessel-ray pitting; tracheids; diffuse axial parenchyma; and ...
Carlquist, Sherwin
core   +3 more sources

Risk of Retinopathy Associated with Long‐Term Use of Hydroxychloroquine in Patients with Rheumatic Diseases: A Systematic Review and Meta‐Analysis

open access: yesArthritis Care &Research, EarlyView.
Objective We aimed to estimate the prevalence and cumulative incidence of hydroxychloroquine retinopathy (HCQ‐R) and its risk factors among patients receiving long‐term HCQ with rheumatic diseases through a systematic review and meta‐analysis of observational studies that used spectral‐domain optical coherence tomography (SD‐OCT) for screening ...
Narsis Daftarian   +4 more
wiley   +1 more source

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