Results 11 to 20 of about 401,345 (339)

Ethics challenges and guidance related to research involving adolescent post-abortion care: a scoping review

open access: yesReproductive Health, 2018
Introduction An increase in post abortion care (PAC) research with adolescents, particularly in low- and middle-income countries, has brought to attention several associated research ethics challenges.
Joseph M. Zulu   +5 more
doaj   +1 more source

Improving institutional research ethics capacity assessments: lessons from sub-Saharan Africa

open access: yesGlobal Bioethics, 2020
The amount of biomedical research being conducted around the world has greatly expanded over the past 15 years, with particularly large growth occurring in low- and middle-income countries (LMICs).
Molly Deutsch-Feldman   +6 more
doaj   +1 more source

A scoping review of genetics and genomics research ethics policies and guidelines for Africa

open access: yesBMC Medical Ethics, 2021
Background Genetics and genomics research (GGR) is increasingly being conducted around the world; yet, researchers and research oversight entities in many countries have struggled with ethical challenges.
Joseph Ali   +7 more
doaj   +1 more source

A General Relativistic Rotating Evolutionary Universe - Part II [PDF]

open access: yes, 2008
As a sequel to (Berman, 2008a), we show that the rotation of the Universe can be dealt by generalised Gaussian metrics, defined in this paper. Robertson-Walker's metric has been employed with proper-time, in its standard applications; the generalised ...
D.N. Sciama   +14 more
core   +1 more source

Approximation algorithms for node-weighted prize-collecting Steiner tree problems on planar graphs [PDF]

open access: yes, 2016
We study the prize-collecting version of the Node-weighted Steiner Tree problem (NWPCST) restricted to planar graphs. We give a new primal-dual Lagrangian-multiplier-preserving (LMP) 3-approximation algorithm for planar NWPCST.
Byrka, Jarosław   +2 more
core   +2 more sources

Towards achieving transnational research partnership equity: lessons from implementing adaptive platform trials in low- and middle-income countries [version 2; peer review: 1 approved, 2 approved with reservations]

open access: yesWellcome Open Research, 2023
Background Use of adaptive clinical trials, particularly adaptive platform trials, has grown exponentially in response to the coronavirus disease (COVID-19) pandemic.
Jeremy Sugarman   +7 more
doaj   +1 more source

Learning of Image Dehazing Models for Segmentation Tasks

open access: yes, 2019
To evaluate their performance, existing dehazing approaches generally rely on distance measures between the generated image and its corresponding ground truth.
berman   +9 more
core   +1 more source

The Effects of Opioids on HIV Neuropathogenesis

open access: yesFrontiers in Immunology, 2019
HIV associated neurocognitive disorders (HAND) are a group of neurological deficits that affect approximately half of people living with HIV (PLWH) despite effective antiretroviral therapy (ART).
Aniella Murphy   +6 more
doaj   +1 more source

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