Results 21 to 30 of about 7,712,883 (398)

Progress in South America Dendrochronology [PDF]

open access: yes, 2002
South America extends from 11°N to 62°S. Major boundaries such as the Andes on the western side of the continent and the land mass in the tropics create north-south and west-east variations in climate and ecosystems.
Boninsegna, Jose Armando
core   +1 more source

Domesticated Megafauna of Americas: Needs, Possibilities and Results [PDF]

open access: yesInterdisciplinary Description of Complex Systems, 2020
The article aims to determine why so few domestic animals originated in American domestication centres. The knowledge has been gathered from interdisciplinary sources taking into account recent archaeogenomic and spatial analysis research.
Dragica Salamon   +3 more
doaj   +1 more source

Inter- and intracontinental migrations and local differentiation have shaped the contemporary epidemiological landscape of canine parvovirus in South America [PDF]

open access: yes, 2018
Canine parvovirus (CPV) is a fast-evolving single-stranded DNA virus that causes one of the most significant infectious diseasesof dogs. Although the virus dispersed over long distances in the past, current populations are considered to be ...
Aldaz, Jaime   +11 more
core   +1 more source

Endocrine Abnormalities and Growth Characterization in Colombian Pediatric Patients with 22q11 Deletion Syndrome

open access: yesJCRPE, 2023
INTRODUCTION: Several endocrine manifestations have been described in patients with 22q11 deletion syndrome, including growth retardation, hypoparathyroidism, and thyroid disorders.
Juan Lasprilla Tovar   +4 more
doaj   +1 more source

Checklist of American Uloboridae (Arachnida: Araneae) [PDF]

open access: yes, 2017
Names, synonyms, and distributions uloborid spiders known from North, Central, and South America are ...
Opell, Brent D
core   +2 more sources

Cigarette brand preferences of adolescent and adult smokers in the United States

open access: yesTobacco Induced Diseases, 2018
Background Despite restrictions on where and how cigarette companies can market their products, cigarettes remain a heavily advertised consumer product in America. Examining the brand preferences of smokers may provide clues to understanding how shifting
Sebrena Brink   +6 more
doaj   +1 more source

New species of Loneura Navás, 1927 (Insecta: Psocodea: ‘Psocoptera’: Ptiloneuridae) from Peru [PDF]

open access: yesPapéis Avulsos de Zoologia, 2021
Two species of Peruvian Loneura Navás, L. amakii sp. nov., and L. kosnipatensis sp. nov., are here described and illustrated; they belong in infrageneric group II of González Obando et al. (2020).
Ranulfo González-Obando   +2 more
doaj   +1 more source

Asymmetric continental deformation during South Atlantic rifting along southern Brazil and Namibia [PDF]

open access: yes, 2017
Plate restoration of South America and Africa to their pre-breakup position faces the problem of gaps and overlaps between the continents, an issue commonly solved with implementing intra-plate deformation zones within South America.
Koehn, Daniel   +2 more
core   +1 more source

A summary of Blastocystis subtypes in North and South America

open access: yesParasites & Vectors, 2019
Blastocystis is a stramenopile of worldwide significance due to its capacity to colonize several hosts. Based on its high level of genetic diversity, Blastocystis is classified into global ribosomal subtypes (STs).
P. Jiménez, J. Jaimes, J. Ramírez
semanticscholar   +1 more source

Divergence of wastewater SARS-CoV-2 and reported laboratory-confirmed COVID-19 incident case data coincident with wide-spread availability of at-home COVID-19 antigen tests [PDF]

open access: yesPeerJ, 2023
Concentrations of SARS-CoV-2 RNA in wastewater settled solids from publicly owned treatment works (POTWs) historically correlated strongly with laboratory confirmed incident COVID-19 case data.
Alexandria B. Boehm   +4 more
doaj   +2 more sources

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