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Current Status of Outsourced Food Service Operations According to the Type of Long-Term Care Institution and Plans for Improvement

Kwon J, Lee H, Jeong H, Chang H, Lee J

This study aimed to explore the status of food service outsourcing behavior of long-term care institutions (LTCIs) through a cross-sectional survey using a questionnaire administered between July 16th and August...
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Intelligence and Brain White Matter De velopment in Extremely Preterm Children at 6 Years Old Compared with Very Preterm Children

Cho HJ, Jeong H, Chung M, Shim SY

Objective: This study aimed to investigate intelligence and brain white matter development in extremely preterm children at school age compared to same-aged very preterm children born above 28 weeks of...
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Importation and Transmission of SARS-CoV-2 B.1.1.529 (Omicron) Variant of Concern in Korea, November 2021

Lee JJ, Choe YJ, Jeong H, Kim M, Kim S, Yoo H, Park K, Kim C, Choi S, Sim J, Park Y, Huh IS, Hong G, Kim MY, Song JS, Lee J, Kim EJ, Rhee JE, Kim IH, Gwack J, Kim J, Jeon JH, Lee WG, Jeong S, Kim J, Bae B, Kim JE, Kim H, Lee HY, Lee SE, Kim JM, Park H, Yu M, Choi J, Kim J, Lee H, Jang EJ, Lim D, Lee S, Park YJ

In November 2021, 14 international travel-related severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) B.1.1.529 (omicron) variant of concern (VOC) patients were detected in South Korea. Epidemiologic investigation revealed community transmission...
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Clinical and Laboratory Factors Associated with Symptom Development in Asymptomatic COVID-19 Patients at the Time of Diagnosis

Oh HS, Kim JH, Woo ML, Kim JY, Park CH, Won H, Lim S, Jeong H, Ham SY, Kim EJ, Sheen S, Kang YM, Yoon D, Lee SY, Song KH

In preparation for the surge of coronavirus disease 2019 (COVID-19), it is crucial to allocate medical resources efficiently for distinguishing people who remain asymptomatic until the end of the disease....
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Alteration in Cngb1 Expression upon Maternal Immune Activation in a Mouse Model and Its Possible Association with Schizophrenia Susceptibility

Lee H, Kang SW, Jeong H, Kwon JT, Kim YO, Kim HJ

Objective: The cyclic nucleotide-gated channel (Cng) regulates synaptic efficacy in brain neurons by modulating Ca2+ levels in response to changes in cyclic nucleotide concentrations. This study investigated whether the expression...
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Contact-adjusted Immunity Levels against SARS-CoV-2 in Korea and Prospects for Achieving Herd Immunity

Chun JY, Jeong H, Kim Y

The proportion of population vaccinated cannot be directly translated into the herd immunity. We have to account for the age-stratified contact patterns to calculate the population immunity level, since not...
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A pilot clinical study of low-intensity transcranial focused ultrasound in Alzheimer’s disease

Jeong H, Im JJ, Park JS, Na SH, Lee W, Yoo SS, Song IU, Chung YA

Purpose: Increasing attention has been paid to low-intensity transcranial focused ultrasound (tFUS) for its potential therapeutic effects in Alzheimer's disease (AD). While preclinical studies have shown promising therapeutic effects of...
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Latent Tuberculosis Infection Screening and Treatment in Congregate Settings (TB FREE COREA): Demographic Profiles of InterferonGamma Release Assay Cohort

Kim HW, Min J, Choi JY, Shin AY, Myong JP, Lee Y, Yim HW, Jeong H, Bae S, Shim E, In H, Chun C, Kim G, Kang JY, Lee SS, Park JS, Kim JS

In 2017, the Korean government launched an unprecedentedly large-scaled latent tuberculosis infection (LTBI) screening project which covered more than a million individuals in congregate settings. A total of 1,047,689 participants...
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Validation of the Korean Version of the Psychosis Screener to Identify Patients With Psychosis

Jeong H, Lee SH, Lee Sy, Kim J, Kim G, Kwon H, Waterreus A, Yim HW

Objective This study aimed to validate the Korean version of a short screening tool for psychosis as the first stage in finding undiagnosed psychosis in the community. Methods The sample contained...
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Synergistic Tumoricidal Effects of Alpha-Lipoic Acid and Radiotherapy on Human Breast Cancer Cells via HMGB1

Choi HS, Kim JH, Jang SJ, Yun JW, Kang KM, Jeong H, Ha IB, Jeong BK

Purpose Radiotherapy (RT) is one of main strategies of cancer treatment. However, some cancer cells are resistant to radiation-induced cell death, including apoptosis. Therefore, alternative approaches targeting different anti-tumor mechanisms...
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Clinical Application of the Standard Q COVID-19 Ag Test for the Detection of SARS-CoV-2 Infection

Oh SM, Jeong H, Chang E, Choe PG, Kang CK, Park WB, Kim TS, Kwon WY, Oh MD, Kim NJ

We evaluated the Standard Q COVID-19 Ag test for the diagnosis of coronavirus disease 2019 (COVID-19) compared to the reverse transcription-polymerase chain reaction (RT-PCR) test. We applied both tests to patients...
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The Effects of Sex and Estrogen on Radiographic Progression of Ankylosing Spondylitis in Korean Patients

Jeong H, Bae EK, Hwang J, Park EJ, Lee J, Jeon CH, Koh EM, Cha HS

Objective. Ankylosing spondylitis (AS) is a chronic inflammatory disease with obvious male preponderance. Males show more severe radiographic manifestations compared with females. This study aimed to evaluate the effects of...
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A Review of Neuroimaging Studies in Persistent Postural-Perceptual Dizziness (PPPD)

Im JJ, Na S, Jeong H, Chung YA

Persistent postural-perceptual dizziness (PPPD) is a functional vestibular disease characterized by persistent dizziness, unsteadiness, and/or non-spinning vertigo, and is the most common vestibular syndrome in young adults. A stiffened postural...
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Experimental and Mathematical Optimization of a Pooling Test for Detection of SARS-CoV-2 in a Population with Low Viral Load

Jeong H, Lee J, Cheon S, Sohn KM, Kim J, Kym S, Kim YS

Background: A pooling test is a useful tool for mass screening of coronavirus disease 2019 (COVID-19) in the pandemic era. We aimed to optimize a simple two-step pooling test by...
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A Novel Anti-PD-L1 Antibody Exhibits Antitumor Effects on Multiple Myeloma in Murine Models via Antibody-Dependent Cellular Cytotoxicity

Ahn JH, Lee BH, Kim SE, Kwon BE, Jeong H, Choi JR, Kim MJ, Park Y, Kim BS, Kim DH, Ko HJ

Multiple myeloma is a malignant cancer of plasma cells. Despite recent progress with immunomodulatory drugs and proteasome inhibitors, it remains an incurable disease that requires other strategies to overcome its...
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Comparison of the Prediction Model of Adolescents’ Suicide Attempt Using Logistic Regression and Decision Tree: Secondary Data Analysis of the 2019 Youth Health Risk Behavior Web-Based Survey

Lee Y, Kim H, Lee Y, Jeong H

Purpose: The purpose of this study was to develop and compare the prediction model for suicide attempts by Korean adolescents using logistic regression and decision tree analysis. Methods: This study...
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Imaging Characteristics of Brain SPECT, PET, and MRI in Neurosyphilis

Choi EK, Kim YD, Jeong H, Chung YA, Oh JK, Song IU

The incidence of neurosyphilis has declined since effective penicillin therapy against Treponema pallidum was introduced. However, the diagnosis of neurosyphilis early in the disease course is very important in order...
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Effects of Olfactory Training in Patients With Postinfectious Olfactory Dysfunction

Choi BY, Jeong H, Noh H, Park JY, Cho JH, Kim JK

Objectives. Postinfectious olfactory dysfunction (PIOD) is the most common etiology of olfactory dysfunction, and olfactory training (OT) is an accepted treatment modality for PIOD. Some studies have investigated OT in...
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Dynamics of viral load and anti-SARS-CoV-2 antibodies in patients with positive RT-PCR results after recovery from COVID-19

Song KH, Kim DM, Lee H, Ham SY, Oh SM, Jeong H, Jung J, Kang CK, Park JY, Kang YM, Kim JY, Park JS, Park KU, Kim ES, Kim HB

Recently, the number of patients with coronavirus disease 2019 (COVID-19) who have tested positive for severe acute respiratory syndrome coronavirus 2 (SARSCoV-2), via the reverse transcription polymerase chain reaction (RT-PCR)...
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Feasibility Study of Google’s Teachable Machine in Diagnosis of Tooth-Marked Tongue

Jeong H

Background: A Teachable Machine is a kind of machine learning web-based tool for general persons. In this paper, the feasibility of Google’s Teachable Machine (ver. 2.0) was studied in the...
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