Results 11 to 20 of about 310,000 (183)

National Adoption of World Health Organization Recommendations on Calcium Supplementation During Pregnancy. [PDF]

open access: yesAnn N Y Acad Sci
In many countries, pregnant women have low calcium intake and high mortality from hypertensive disorders, despite evidence that supplementation reduces risk and is recommended by the World Health Organization (WHO) to prevent pre‐eclampsia. We reviewed antenatal guidelines in 194 countries and identified 92; 58 addressed calcium, of which 29 ...
Romero IB   +9 more
europepmc   +2 more sources

Oviposition in the blood-sucking insect Rhodnius prolixus is modulated by host odors [PDF]

open access: yes, 2015
Background: Triatomine bugs are blood-sucking insects, vectors of Chagas disease. Despite their importance, their oviposition behavior has received relatively little attention. Some triatomines including Rhodnius prolixus stick their eggs to a substrate.
Guerenstein, Pablo Gustavo   +1 more
core   +1 more source

Mapping QTL for spike fertility and related traits in two doubled haploid wheat (Triticum aestivum L.) populations

open access: yesBMC Plant Biology, 2021
Background In breeding programs, the selection of cultivars with the highest yield potential consisted in the selection of the yield per se, which resulted in cultivars with higher grains per spike (GN) and occasionally increased grain weight (GW) (main ...
Nicole Pretini   +4 more
doaj   +1 more source

An Income Model Using Historical Data, Power-Law Distributions and Monte Carlo Method for University Technology Transfer Offices

open access: yesFuture Internet, 2021
Engineering education pushes the creation of new technology to solve community problems. The process of technology transfer promotes educational innovation in universities, a vital process that can improve citizens’ quality of life in cities and rural ...
Ken Polasko, Pedro Ponce, Arturo Molina
doaj   +1 more source

Microlobiusxylon paranaensis gen. et sp. nov. (fabaceae, mimosoideae) from the pliocene-pleistocene of ituzaingó formation, paraná basin, Argentina [PDF]

open access: yes, 2010
A fossil wood with Fabaceae affinity from the Pliocene-Pleistocene sediments of Ituzaingó Formation is described. The silicified wood was collected at the Toma Vieja fossil locality, Paraná Basin, Argentina.
Brea, Mariana, Franco, María Jimena
core   +1 more source

¿Contribuye la ganadería bovina de Costa Rica al incremento del metano atmosférico y al calentamiento global?

open access: yesCiencias Ambientales, 2022
[Introducción]: El metano (CH4), al igual que otros gases que se han ido incrementando en la atmósfera, son responsables del efecto invernadero que deriva en el calentamiento global y el cambio climático.
Jhonny Montenegro Ballestero
doaj   +1 more source

First Record of an Extinct Marabou Stork in the Neogene of South America [PDF]

open access: yes, 2008
We describe a new large species of marabou stork, Leptoptilus patagonicus(Ciconiiformes, Ciconiidae, Leptoptilini), from the late Miocene Puerto Madryn Formation, Chubut Province, Argentina.
Cladera, Gerardo, Noriega, Jorge Ignacio
core   +1 more source

Avances en el manejo integrado de la bacteria burkholderia glumae en el cultivo de arroz en el caribe colombiano

open access: yesRevista Colombiana de Ciencia Animal Recia, 2011
El presente trabajo tuvo como objetivo mostrar avances en el manejo integrado de la bacteria Burkholderia glumae, causante de la enfermedad del añublo bacterial de la panícula en el cultivo de arroz en el Caribe Colombiano a partir de estudios realizados
CRISTO PEREZ C, ENRIQUE SAAVEDRA
doaj   +1 more source

A new species group of the genus Epicauta Dejean of Southern South America, the bella group (Coleoptera: Meloidae) [PDF]

open access: yes, 2011
Epicauta (Coleoptera: Meloideae) includes two subgenera, and within the nominotypical subgenus several species groups. Analyzing species of southern South America, a set of species of Epicauta has the particularity to present two distinctive characters ...
Campos Soldini, Maria Paula
core   +1 more source

A new record of fossil wood of Vochysiaceae from the Upper Pleistocene (Arroyo Feliciano Formation), Argentina, South America [PDF]

open access: yes, 2015
A new species of Qualeoxylon Suguio & Mussa is described from the Late Pleistocene Arroyo Feliciano Formation of the Gualeguay Basin on eastern Argentina.
Brea, Mariana, Moya, Eliana Vanesa
core   +1 more source

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