Results 41 to 50 of about 7,557 (176)

Podoxymys roraimae Anthony 1929

open access: yes, 1982
Podoxymys roraimae Anthony, 1929. Am. Mus. Novit., 383:4. TYPE LOCALITY: Guyana, Mt. Roraima, 2580 m. DISTRIBUTION: Guyana; Venezuela; adjacent Brazil. ISIS NUMBER: 5301410008043001001.
Honacki, James H.   +2 more
  +7 more sources

Diet‐Related Differences Predominate Over Breed‐Associated Differences in Hepatic Lipid Metabolism, Antioxidant Vitamins and Lipid Quality Indices Among Beef Cattle

open access: yesJournal of Animal Physiology and Animal Nutrition, EarlyView.
ABSTRACT Understanding how nutritional management and genetic background influence hepatic metabolism is important for improving the nutritional quality of bovine products in tropical production systems. This study evaluated breed‐associated differences under a common dietary regimen and diet‐related differences within the Nelore breed with respect to ...
Laíza de Kássia Mendes da Conceição   +12 more
wiley   +1 more source

The Effect of Brazil's Family Health Program on Cognitive Skills

open access: yesOxford Bulletin of Economics and Statistics, EarlyView.
ABSTRACT This paper examines the effect of Brazil's Family Health Program (Programa Saude da Familia, FHP) on cognitive skills (measured by test scores) of fifth‐grade students. We use biennial data from national exams between 2007 and 2015, and variation in the FHP implementation date across municipalities, birth cohort, and test year to identify the ...
Pinar Mine Gunes, Magda Tsaneva
wiley   +1 more source

Plasmodium falciparum Parasites With Histidine‐Rich Protein 2 (pfhrp2) and pfhrp3 Gene Deletions in Frontier Endemic Regions of Brazilian Amazon

open access: yesTropical Medicine &International Health, EarlyView.
ABSTRACT Studies reporting deletions of the pfhrp2 and pfhrp3 genes in P. falciparum populations in various malaria‐endemic countries, including countries bordering Brazil, are increasing. Individuals infected with P. falciparum carrying deletions of the pfhrp2/3 genes may yield false‐negative results in Rapid Diagnostic Tests (RDTs) based on the ...
Jéssica de Oliveira Bonsanto Gonçalves   +9 more
wiley   +1 more source

Viral Hepatitis A, B and C in Roraima, Brazilian Amazon: Epidemiological and Serological Profile, 2012–2023

open access: yesTropical Medicine &International Health, EarlyView.
ABSTRACT Introduction Viral hepatitis remains a major global public health challenge, with heterogeneous epidemiological patterns across geographic and socioeconomic contexts. In the Brazilian Amazon, evidence remains limited, particularly regarding long‐term trends.
Jamilla Karla Corrêa Reis   +6 more
wiley   +1 more source

Gestão democratiza escolar em Roraima

open access: yes, 2021
A temática da gestão democrática escolar possui crescente relevância nos estudos científicos e na gestão escolar em diferentes Estados e Municípios brasileiros, razão pela qual a presente obra tem muito a contribuir com essas discussões, em especial corroborar com os poucos trabalhos existentes na região Norte, por meio de um estudo da realidade ...
openaire   +3 more sources

A epidemiologia do câncer de mama em Roraima / The epidemiology of breast cancer in Roraima

open access: yesBrazilian Journal of Health Review, 2020
O câncer de mama e um grande problema de saude publica, sendo o diagnostico na sua fase inicial de suma importância para um melhor prognostico e tratamento da mulher afetada. O presente estudo traz como objetivos tracar um perfil epidemiologico do câncer de mama, no Estado de Roraima entre os anos de 2009 a 2013, bem como verificar se a mamografia ...
de Luna, Ana Cecília Marques   +7 more
openaire   +3 more sources

A presença indígena em Roraima: da colonização à consolidação do Estado

open access: yesCaminhos da História, 2011
A compreensão dos conflitos existentes em relações interétnicas implica estudar, num primeiro momento, a origem dos contato, para, então, se discutir as questões políticas, sociais e econômicas na contemporaneidade.
Raimunda Maria Rodrigues Santos   +1 more
doaj  

Changes in Tuberculosis Incidence and Mortality Following the End TB Strategy and the COVID‐19 Pandemic in Brazil: An Interrupted Time‐Series Analysis

open access: yesTropical Medicine &International Health, EarlyView.
ABSTRACT Background Tuberculosis remains a major global public health challenge, particularly in high‐burden countries such as Brazil. The End TB Strategy and the COVID‐19 pandemic represent key events associated with changes in tuberculosis incidence and mortality, although their temporal patterns and combined effects remain insufficiently explored ...
Bruno Victor Barros Cabral   +5 more
wiley   +1 more source

Necessidade de calagem em solos tropicais: um estudo na savana amazônica brasileira

open access: yesRevista de Agricultura Neotropical, 2023
A calagem apresenta impactos positivos na qualidade dos solos, como o aumento do pH e na disponibilidade de nutrientes. No estado de Roraima, solos agricultáveis, em grande parte, estão sob domínios do bioma savana e apresentam pH ácido e distrofia ...
Mauricio Lourenzoni Augusti   +5 more
doaj  

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