Results 171 to 180 of about 271,947 (321)

Head to head comparison between arterial spin labelling MRI and [<sup>18</sup>F]FDG-PET in presurgical evaluation of epilepsy in children: the role of voxel-based asymmetry index analysis. [PDF]

open access: yesNeurol Sci
Mattioli P   +13 more
europepmc   +1 more source

The Impact and Reliability of Tissue Segmentation on In Vivo Magnetic Resonance Spectroscopy Metabolite Quantification

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose Quantification of metabolite concentrations using MRS requires tissue‐dependent signal corrections. Accurate estimation of voxel tissue composition is therefore essential. Commonly used brain tissue segmentation tools differ in their algorithms and implementation, potentially introducing variability in MRS‐derived concentration ...
Jessica Archibald   +12 more
wiley   +1 more source

Phyllocephalum keralense (Asteraceae) a new species from southern Western Ghats of Kerala, India

open access: yesNordic Journal of Botany, EarlyView.
A new species of Phyllocephalum is described and illustrated from Palakkad district of Kerala, India. The new species shows similarity to P. rangacharii but differs with respect to key floral traits, viz. ovoid shape of the capitula, involucral bracts in 3 series, inflated receptacle and ovoid 6‐ribbed ovary with 5–6 densely barbellate pappus setae ...
Arya Sindhu   +4 more
wiley   +1 more source

Effect of population reinforcement method, site, and plant characteristics on early establishment of the rare endemic plant species Minuartia smejkalii

open access: yesNordic Journal of Botany, EarlyView.
Many habitat‐specialist plant species have been endangered by fragmentation or destruction of their habitats. Minuartia smejkalii is a serpentinophyte endemic to the Czech Republic. It is highly threatened by recent habitat destruction and fragmentation, calling for effective conservation measures.
Alrun Siebenkäs   +3 more
wiley   +1 more source

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