Results of the orthoradial technique vs parallel technique in the identification of canals of upper first premolars and lower first molars by Pablo Sebastián Vásconez Ponce, Martín Nicolás Proaño Santamaría, Catalina del Rosario Boada Zurita, Tiana Mayerlin Rojas Uribe

“…<br /><strong>Objective:</strong> to describe the results of the orthoradial technique vs parallel technique in the identification of upper first premolars canals and lower first molars.<br /><strong>Methods:</strong> observational, descriptive and cross-sectional study in patients in need of root canal treatment of upper first premolars or lower first molars, who attended the Dental Care Unit of the Andes Regional Autonomous University from April to August 2019. …”
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Acute Deep Vein Thrombosis in Venous Aneurysm following Closure of the Chronic Traumatic Arteriovenous Fistulae of the Lower Extremities by Saranat Orrapin, Supapong Arworn, Kittipan Rerkasem

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Clinical Rehabilitation Effect of Postoperative Lower-Limb Training on the Patients Undergoing OLIF Surgery: A Retrospective Study by Haoming Wang, Yachong Huo, Yachao Zhao, Botong Zhang, Dalong Yang, Sidong Yang, Wenyuan Ding

“…In this study, it was aimed to investigate the clinical rehabilitation effect of lower-limb training on the patients that undergo oblique lumbar interbody fusion (OLIF) procedures. …”
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Extra-Abdominal Fibromatosis (Desmoid Tumor): A Rare Tumor of the Lower Extremity Arising from the Popliteal Fossa by Mehmet Ali Kaygin, Ozgur Dag, Bilgehan Erkut, Azman Ates, Refik Cetin Kayaoglu, Hakan Kadioglu

“…A palpable mass was detected in the popliteal fossa of the right lower extremity in a 48-year-old man. Magnetic resonance imaging showed a contrast-enhancing noncalcified lesion initially felt to represent a vascular tumor. …”
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Lower serum magnesium level is an important risk factor for erythropoiesis-stimulating agents hypo-responsiveness in hemodialysis patients by Hayam Hebah, Shaimaa Abdelmegied, Dina Osman, Lina Khedr

“…Results There were significantly lower mean hemoglobin levels in patients with normo-hypomagnesemia vs patients with hypermagnesemia (8.96 ± 0.44 Vs 9.51 ± 0.39 g/dl respectively), with a p-value < 0.001. …”
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Response Analysis of Microbial Community Structures and Functions Under Water and Sediment Changes in the Middle and Lower Yellow River by Ji Wu, Quan Hong, Jin Zhang, Chen Xie, Yang Liu, Dandan Li, Hao Liu, Ziwu Fan

Subjects: “…middle and lower Yellow River…”
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Land Use Change Detection Between Tarsus - Karataş in Lower Seyhan Plain with Spectral Angle Mapper Technique by Mamadou Traore, Senem Tekin, Tolga Çan

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Severity of Lower Urinary Tract Symptoms among Middle Aged and Elderly Nigerian Men: Impact on Quality of Life by Patrick Temi Adegun, Philip Babatunde Adebayo, Peter Olufemi Areo

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Evaluation of ventilation and cooling strategies in cattle sheds in the middle and lower Yangtze river regions based on model prediction by Haoyuan Fang, Peishi Yan, Shengjuan Wei, Dengjin Chen

“…Managing cattle sheds during the hot and humid summer months in the middle and lower reaches of the Yangtze River poses significant challenges. …”
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Comment on “Prevalence and Risk Factors for Diabetic Lower Limb Amputation: A Clinic-Based Case Control Study” by M. Bakhtiyari, M. A. Mansournia

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Assessments of F16 Special Sensor Microwave Imager and Sounder Antenna Temperatures at Lower Atmospheric Sounding Channels by Banghua Yan, Fuzhong Weng

“…In this study, antenna brightness temperature anomalies at several lower atmospheric sounding (LAS) channels are assessed, and the algorithm is developed for corrections of these antenna temperature anomalies. …”
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Increased Mortality After Lower Extremity Amputation in a Danish Nationwide Cohort: The Mediating Role of Postoperative Complications by Brix ATH, Petersen TG, Nymark T, Schmal H, Lindberg-Larsen M, Rubin KH

Subjects: “…major lower extremity amputation…”
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The Effect of Concussion History on Lower Extremity Injury Risk in College Athletes: A Systematic Review and Meta-Analysis by Vanessa Ramirez, Ryan McCann, Eric Schussler, Jessica Martinez

“…# Introduction Collegiate athletes who suffer a concussion may possess prolonged impairments even after clearance for return-to-participation, which may place them at an increased risk of lower extremity injury. # Objective To conduct a systematic review and meta-analysis of studies examining risk of lower extremity musculoskeletal injury following a concussion in collegiate athletes…”
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Upper and Lower Solutions Method for a Class of Singular Fractional Boundary Value Problems with p-Laplacian Operator by Jinhua Wang, Hongjun Xiang

“…The upper and lower solutions method is used to study the p-Laplacian fractional boundary value problem D0+γ(ϕp(D0+αu(t)))=f(t,u(t)), 0<t<1, u(0)=0, u(1)=au(ξ), D0+αu(0)=0, and D0+αu(1)=bD0+αu(η), where 1<α,γ⩽2,0⩽a,b⩽1,0<ξ,η<1. …”
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Association between Metformin and a Lower Risk of Age-Related Macular Degeneration in Patients with Type 2 Diabetes by Yu-Yen Chen, Ying-Cheng Shen, Yun-Ju Lai, Chun-Yuan Wang, Keng-Hung Lin, Shih-Chao Feng, Chiao-Ying Liang, Li-Chen Wei, Pesus Chou

“…This population-based, retrospective cohort study was to investigate whether metformin is associated with a lower risk of subsequent age-related macular degeneration (AMD) in patients with type 2 diabetes. …”
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Lower Extremity and Trunk Electromyographic Muscle Activity During Performance of the Y-Balance Test on Stable and Unstable Surfaces by Navpreet Kaur, Kunal Bhanot, Germaine Ferreira

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Lowering Caveolin-1 Expression in Human Vascular Endothelial Cells Inhibits Signal Transduction in Response to Shear Stress by A. D. van der Meer, M. M. J. Kamphuis, A. A. Poot, J. Feijen, I. Vermes

“…When these cells were subjected to a shear stress of 15 dyn/cm2 for 10 minutes, activation of Akt and ERK1/2 was significantly lower than in control cells. Moreover, activation of Akt and ERK1/2 in response to vascular endothelial growth factor was significantly lower in cells with low levels of caveolin-1. …”
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Drought Assessment and Projection under Climate Change: A Case Study in the Middle and Lower Jinsha River Basin by Zhe Yuan, Jijun Xu, Jin Chen, Junjun Huo, Yangyue Yu, Peter Locher, Bin Xu

“…It was used to assess historical drought events in the middle and lower Jinsha river basin (MLJRB) located in the southwest China and applied to address the drought conditions in the MLJRB under current and future climates. …”
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Effect of rutin from tartary buckwheat sprout on serum glucose-lowering in animal model of type 2 diabetes by Lee Dong-Gi, Jang Ik Soon, Yang Kyeong Eun, Yoon So-Jung, Baek Sujeong, Lee Joo Yong, Suzuki Tatsuro, Chung Keun-Yook, Woo Sun-Hee, Choi Jong-Soon

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Moving to lower-poverty neighborhoods offers broad benefits for children with asthma, regardless of sex or other baseline characteristics by Torie L. Grant, MD, MHS, Laken C. Roberts Lavigne, PhD, MPH, Craig Evan Pollack, MD, MHS, Pete Cimbolic, BA, Susan Balcer-Whaley, MPH, Roger D. Peng, PhD, Elizabeth C. Matsui, MD, MHS, Corinne A. Keet, MD, PhD

“…Background: It was previously found that moving to lower-poverty/higher-opportunity neighborhoods as part of a housing mobility program was associated with improvements in asthma exacerbations and symptoms among children with asthma. …”
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