Results 21 to 30 of about 823,640 (389)

Presentation and anatomical distribution of diverticular disease in four hospitals in Sudan

open access: yesThe Pan African Medical Journal, 2020
INTRODUCTION: Diverticular disease (DD) was thought to be more prevalent in the western countries, especially the white populations, but the recent increase in incidence among African and Asian population, was reported.
Alsmwal Alnour Alnzaer   +4 more
doaj   +1 more source

Is hepatitis B vaccination performed at infant and adolescent age able to provide long-term immunological memory? An observational study on healthcare students and workers in Florence, Italy

open access: yesHuman Vaccines & Immunotherapeutics, 2018
Universal vaccination programmes against Hepatitis B Virus (HBV) have significantly reduced the burden of the disease; nevertheless, HBV infection remains a relevant issue for high-risk subjects, such as healthcare workers (HCWs), who may potentially be ...
Costanza Bini   +6 more
doaj   +1 more source

Evaluation of two strategies for debriefing simulation in the development of skills for neonatal resuscitation: a randomized clinical trial

open access: yesBMC Research Notes, 2018
Objective To evaluate two debriefing strategies for the development of neonatal resuscitation skills in health professionals responsible for the critical newborn care in a high-complexity university Hospital.
Oscar Andrés Gamboa   +4 more
doaj   +1 more source

The Nature and Growth of Vertical Specialization in World Trade

open access: yes, 1999
Dramatic changes are occurring in the nature of international trade. Production processes increasingly involve a sequential, vertical trading chain stretching across many countries, with each country specializing in particular stages of a good's ...
David Hummels, Junzo Ishii, Kei-Mu Yi
semanticscholar   +1 more source

Smart specialization policy in the European Union: relatedness, knowledge complexity and regional diversification

open access: yes, 2019
The operationalization of smart specialization policy has been rather limited because a coherent set of analytical tools to guide the policy directives remains elusive.
P. Balland   +3 more
semanticscholar   +1 more source

Incisors Extrusion with Clear Aligners Technique: A Finite Element Analysis Study

open access: yesApplied Sciences, 2021
Since the low level of available evidence and the limited number of studies do not clarify whether clear aligners are a good option for extrusion, finite element (FE) analyses were performed to obtain more accurate biomechanical data about open-bite ...
Gabriele Rossini   +4 more
doaj   +1 more source

Oxaliplatin-Associated Takotsubo Cardiomyopathy in a Patient with Metastatic Gastric Cancer: A Case Report

open access: yesCase Reports in Oncology, 2023
We present the case of a 64-year-old female with stage IV gastric adenocarcinoma, pulmonary, and abdominal wall metastases, and no history of cardiovascular disease.
Luis Miguel Osorio-Toro   +8 more
doaj   +1 more source

The Evolution of Ecological Specialization

open access: yes, 1988
The evolution of "niche breadth," or "niche width," was a more popular topic in the evolutionary ecological literature of the 1960s and 1970s than it has been recently (109, 118, 120, 134, 155, 156).
D. Futuyma, Gabriel Moreno
semanticscholar   +1 more source

Macrophages: development and tissue specialization.

open access: yesAnnual Review of Immunology, 2015
Macrophages are myeloid immune cells that are strategically positioned throughout the body tissues, where they ingest and degrade dead cells, debris, and foreign material and orchestrate inflammatory processes.
C. Varol, A. Mildner, Steffen Jung
semanticscholar   +1 more source

Specialization of plant–pollinator interactions increases with temperature at Mt. Kilimanjaro

open access: yesEcology and Evolution, 2020
Aim Species differ in their degree of specialization when interacting with other species, with significant consequences for the function and robustness of ecosystems.
Alice Classen   +6 more
semanticscholar   +1 more source

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