Results 21 to 30 of about 67,081 (99)

MiR-920 promotes osteogenic differentiation of human bone mesenchymal stem cells by targeting HOXA7

open access: yesJournal of Orthopaedic Surgery and Research, 2020
Background To explore the effect of miR-920 on osteogenic differentiation of human bone mesenchymal stem cells (hBMSCs) and the possible mechanism. Methods Osteoporosis (OP) and healthy control bone tissues were collected, and the relative expression of ...
Junpu Zha, Xiao-qing Wang, Jun Di
semanticscholar   +1 more source

A ruptured ectopic pregnancy in a patient with an intrauterine device: A case report

open access: yesRadiology Case Reports, 2021
Intrauterine devices (IUDs) are used worldwide. The 2 types that are used are the levonorgestrel IUD and a copper containing IUD. This is a case study of a 30-year-old female with a levonorgestrel IUD who was diagnosed with a ruptured ectopic pregnancy ...
Samantha L. Gaetani, MD   +4 more
doaj   +1 more source

Role of magnetic resonance imaging in organ-preserving strategies for the management of patients with rectal cancer

open access: yesInsights into Imaging, 2019
Total mesorectal excision has been the most effective treatment strategy adopted to reduce local recurrence rates among patients with rectal cancer. The morbidity associated with this radical surgical procedure led surgeons to challenge the standard ...
Cinthia D. Ortega, Rodrigo O. Perez
doaj   +1 more source

Comparison of Ultraviolet Protection Factor of Pure Cotton and Cotton Coated with Titanium Dioxide Nanoparticles using the Electrospinning Method with Two Ultraviolet-C Generators [PDF]

open access: yesIranian Journal of Medical Physics, 2020
Introduction: Protection against harmful effects of ultraviolet radiation (UV) is measured under Ultraviolet Protection Factor (UPF) scale. The utilization of protective clothing is the best way to deal with the damage caused by ultraviolet radiation ...
Jaffar Jaffar Fatahi-asl   +3 more
doaj   +1 more source

New U-Pb (SHRIMP) and first Hf isotope constraints on the Tonian (1000-920 Ma) Cariris Velhos event, Borborema Province, NE Brazil

open access: yes, 2020
Orthogneisses associated with metavolcanosedimentary successions related to the 1000 – 920 Ma Cariris Velhos event occur mainly in a ca. 700 km-long sigmoidal-shaped belt that crosscuts the Transversal Zone of the Borborema Province and extends to the ...
F. Caxito   +5 more
semanticscholar   +1 more source

Clinical Experience of Intra-Arterial Therapy in Patients with Acute Ischemic Stroke from a Single Institute

open access: yes대한영상의학회지, 2016
Purpose To compare the efficacy and safety between intra-arterial therapy (IAT) and intra-venous and intra-arterial combined therapy (IVIACT) in patients with acute ischemic stroke in the anterior circulation territory.
So Young Park   +7 more
doaj   +1 more source

Performance Evaluation of LoRa ES920LR 920 MHz on the Development Board

open access: yes, 2020
This study contains the LoRa ES920LR test on obstruction or resistance conditions and its comparison with Free Space Path Loss (FSPL) using Drone means without obstacles. The ES920LR has 920 MHz frequency channel settings, 125 kHz Bandwidth, and SF 7-12,
Puput Dani Prasetyo Adi, A. Kitagawa
semanticscholar   +1 more source

Artificial intelligence as a medical device in radiology: ethical and regulatory issues in Europe and the United States

open access: yesInsights into Imaging, 2018
Worldwide interest in artificial intelligence (AI) applications is growing rapidly. In medicine, devices based on machine/deep learning have proliferated, especially for image analysis, presaging new significant challenges for the utility of AI in ...
Filippo Pesapane   +3 more
doaj   +1 more source

Optimization of MRI Protocol for the Musculoskeletal System

open access: yes대한영상의학회지, 2020
Magnetic resonance imaging (MRI) is an essential modality for the diagnosis of musculoskeletal system defects because of its higher soft-tissue contrast and spatial resolution.
Hong Seon Lee   +6 more
doaj   +1 more source

An Atypical Case of Poland Syndrome with Bilateral Features and Dextroposition of the Heart

open access: yesJournal of the Belgian Society of Radiology, 2019
In the work-up of Poland syndrome, different imaging modalities are necessary to depict the full extent of the anomalies  Poland syndrome is defined by the unilateral aplasia or hypoplasia of the sternocostal head of the major pectoral muscle and is ...
Barbara Geeroms   +2 more
doaj   +1 more source

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