Tetrahydrobiopterin in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: A Friend or Foe? by A. F. M. Towheedur Rahman, Anna Benko, Sarojini Bulbule, Carl Gunnar Gottschalk, Leggy A. Arnold, Avik Roy

“…ME/CFS patients with OI (ME+OI) suffer from dizziness or faintness due to a sudden drop in blood pressure while maintaining an upright posture. …”
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Du mythe de l’efficience des marchés au krach by David Bourghelle, Pauline Hyme

“…For most analysts, the main outward sign of the financial crisis which began in early 2007 is the sudden disappearance of the market values of securitized assets and credit derivatives. …”
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Pneumocephalus Associated with Cerebrospinal Fluid Fistula as a Complication of Spinal Surgery: A Case Report by Ken Sasaki, Tomoyuki Matsumoto, Toshiyuki Mizuno, Shinichi Ikuta, Toshihiro Akisue, Hiroyuki Fujioka, Minoru Doita, Masahiro Kurosaka, Ryosuke Kuroda

“…The resultant pneumocephalus was diagnosed based on neurogenic symptoms including sudden convulsion, head radiograph, and computed tomography scan. …”
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Transient Ischemic Attack and Ischemic Stroke in Danon Disease with Formation of Left Ventricular Apical Thrombus despite Normal Systolic Function by Takeshi Tsuda, Amanda J. Shillingford, Jane Vetter, Vinay Kandula, Badal Jain, Joel Temple

“…Early morbidity and mortality due to heart failure or sudden death are known in Danon disease, more in males than in females. …”
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Life-Threatening Adenovirus Infections in the Setting of the Immunocompromised Allogeneic Stem Cell Transplant Patients by Cedar J. Fowler, Jennifer Dunlap, Darcy Troyer, Peter Stenzel, Elliot Epner, Richard T. Maziarz

“…A single institution case series of adenovirus infections after allogeneic hematopoietic stem cell transplantation is presented to highlight the consideration for adenovirus infections as an etiology in patients with rapid hepatic or other sudden organ deterioration in the setting of apparent GVHD stabilization. …”
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Coronary Artery Spasm: New Insights by Anthony Matta, Frederic Bouisset, Thibault Lhermusier, Fran Campelo-Parada, Meyer Elbaz, Didier Carrié, Jerome Roncalli

“…A wide spectrum of clinical manifestations from silent disease to sudden cardiac death was attributed to this complex entity with unclear pathophysiology. …”
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Instability Mechanism of Cavity-Bearing Formation under Tunnel Excavation Disturbance by Tao Liu, Haotong Wang, Xiuting Su, Kexian Li, Shiqun Liu, Fengsong Guo

“…The cavity will gradually change from a regular circle to an ellipse or may even close, resulting in a sudden increase in land subsidence or even ground collapse. …”
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Riding Through the Pandemic: Unveiling Motorcycle Crash Trends Amidst Three Years of the COVID-19 Crisis by Shahrin Islam, Armana Sabiha Huq, Sadab Ishraq Khan, Sabah Hossain Iqra

“…The third wave witnessed a sudden drop, followed by a sharp rise in all three variables. …”
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Case report: a patient with spontaneous spinal epidural hematoma recovered after conservative treatment by Jingge Cheng, Bo Li, Shuaiye Liu, Yiming Liu, Yipeng Zhao

“…This paper reports a case of a patient with this disease, a 68 years-old male who presented with sudden neck pain weakness, and numbness in the left limbs for 2 h. …”
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Idiopathic Omental Infarction, Diagnosed and Managed Laparoscopically: A Case Report by Ahmed AbdulAziz, Tamer El Zalabany, Abdul Rahim Al Sayed, Ahmed Al Ansari

“…We reported on a 21-year-old man who presented with sudden onset of intermittent right lower quadrant abdominal pain for seven days. …”
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PUBLIC CREDIT GUARANTEES AND BANKING SYSTEM: THE ITALIAN CASE DURING COVID-19 EMERGENCY by ALBERTO BANFI, ALBERTO MARCHESI, FRANCESCA PAMPURINI

“…This support prevented the sudden drop in revenues and cash flows — caused by the pandemic and the related severe restrictive measures adopted by the Italian Government — from compromising the liquidity and solvency of a huge number of firms, thus preventing the occurrence of a chain of insolvencies, which would have seriously deteriorated Italian economy. …”
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Research on the Characteristics of Coal Bump and Monitoring and Early Warning in Hujiahe Coal Mine by Fei Yu, Tong Zhang, Zhen Wei

“…Under the high intensity mining disturbance, coal bump is easily triggered by the sudden release of large amount of elastic energy contained in the coal body, which seriously affects coal mine safety production. …”
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Method to Realize the Tilt Monitoring and Instability Prediction of Hazardous Rock on Slopes by Zheng He, Mowen Xie, Zhengjun Huang, Guang Lu, Bo Yan, Jianfei Wang

“…Hazardous rock generally collapses rapidly, and at present, it is challenging to effectively identify the separation degree of the rock and accurately predict its sudden failure. In this study, focusing on a hazardous rock with tilt behavior, a microelectromechanical system (MEMS) acceleration sensor is used in combination with the calculation principle of the included angle of the space vector to establish a microtilt angle monitoring method. …”
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Physical and Mechanical Performance of Frozen Rocks and Soil in Different Regions by Junhao Chen, Lexiao Wang, Zhaoming Yao

“…The failure strain of deep Cretaceous and Jurassic rocks is between 1% and 2%, and the breaking and sudden collapse of surrounding rocks should be prevented.…”
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Experimental Study on Damage Breakage Properties of Shaft Lining Concrete under Hydromechanical Coupling by Weipei Xue, Zhishu Yao, Wei Jing, Bin Tang, Gan Kong, Dezhu Xie

“…According to variation characteristics of permeability-strain and stress-strain curves of shaft lining concrete during loading, it is divided into three stages: compaction stage, sudden increase of permeability stage, and postpeak permeability change stage. …”
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Monostotic Fibrous Dysplasia of the Rib: A Case Report by Asha Mahadevappa, Sapna Patel, Sunila Ravishankar, Gubbanna V. Manjunath

“…We report a case of a 70-year-old lady who presented with swelling on the chest wall of 20-ear duration and sudden increase in size for 8 months. Radiologically, X-ray and CT scan showed an expansible lesion of the medullary cavity with a ground-glass centre and thinning of cortex of the 5th rib. …”
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Experimental Study on Sedimentary Rock’s Dynamic Characteristics under Creep State Using a New Type of Testing Equipment by Wanpeng Huang, Wenbin Xing, Shaojie Chen, Yang Liu, Kai Wu

“…Under high stress, rock in the creep state is vulnerable to external impact load, causing the irreversible perturbation deformation of rock or even sudden failure. To explore the dynamic characteristics of sedimentary rock in the creep state, a siltstone specimen was experimentally studied using a new type of experimental system for rock creep perturbation. …”
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Semi-in-situ cutting force measurement of a jigsaw by Sándor Apáti, György Hegedűs, Sándor Hajdu

“…The study also found unusual patterns, like sudden force spikes or negative values, due to the material inhomogeneity and the spring back of the sawing blades. …”
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Graphical Smooth Switching Control Method of Four-Switch Buck-Boost Converter in Fuel Cell Systems by Hongwei Feng, Yuanyuan Liu, Chunping Guo, Ye Li, Tai Li

“…In addition, in order to accelerate the response speed during the system mode switching process and solve the problem of sudden duty cycle changes, this paper designs input voltage feedforward functions for each of the four working modes based on the voltage-current dual loop PI control, greatly enhance the controller’s response speed and effectively reducing the output voltage fluctuation during the mode switching process. …”
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Triple Local Recurrence of Synovial Sarcoma: A Case Report by Mouli Edward, Kukuh Ali Akbar

“…Case Report: A 33-year-old male came to our outpatient clinic with chief complaints of a sudden ingrowing mass on his left hip. The lump is the size of a chicken egg and doesn't get bigger over time. …”
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