Results 191 to 200 of about 88,396 (317)

Arrhythmogenic anatomical isthmuses identified by electroanatomical mapping are the substrate for ventricular tachycardia in repaired tetralogy of Fallot [PDF]

open access: bronze, 2016
Gijsbert F.L. Kapel   +10 more
openalex   +1 more source

Cryptofauna Associated With the Epilithic Algal Matrix on Subtropical Brazilian Reefs

open access: yesAustral Ecology, Volume 51, Issue 2, February 2026.
ABSTRACT The epilithic algal matrix (EAM) plays a significant role in the benthic cover of reefs worldwide. In Brazil, the EAM accounts for a substantial proportion of the benthos, and its associated fauna contributes to the majority of the reef's metazoan biodiversity and is an important link into the trophic chain, connecting the production performed
Gabriel Soares Figueiredo Barros   +3 more
wiley   +1 more source

Atypical Electrocardiographic Features of Cavotricuspid Isthmus-Dependent Atrial Flutter Occurring during Left Fibrillation Ablation

open access: gold, 2011
Hiroaki Mano   +9 more
openalex   +1 more source

Birds That Don't Exist: Niche Pre‐Emption as a Constraint on Morphological Evolution in the Passeroidea

open access: yesEcology Letters, Volume 29, Issue 2, February 2026.
We use topological data analysis to reveal a persistent morphological gap in a major group of songbirds (superfamily Passeroidea). The gap remained unoccupied for millions of years, even though nearby morphologies are common and the same body form exists in other groups of birds.
Stephanie Y. Chia   +4 more
wiley   +1 more source

OC078: Aortic isthmus [PDF]

open access: yesUltrasound in Obstetrics & Gynecology, 2004
openaire   +1 more source

The Role of Environmental Factors on Visual Communication in Neotropical Anurans

open access: yesGlobal Ecology and Biogeography, Volume 35, Issue 2, February 2026.
ABSTRACT Aim Visual signals are a widespread behavioural attribute of communication among vertebrates, often employed during intrasexual competition or mate attraction, ultimately influencing reproductive success. However, the environmental factors driving visual signal evolution remain poorly understood.
Leonardo Matheus Servino   +2 more
wiley   +1 more source

Ethanol Infusion of Atrial Flutter Mediated by the Vein of Marshall. [PDF]

open access: yesJACC Case Rep
Zhao X   +9 more
europepmc   +1 more source

How the Isthmus of Panama put ice in the Arctic [PDF]

open access: yes, 2004
Haug, Gerald H.   +2 more
core  

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