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Article
Open AccessClinical effects of bacteremia in sepsis patients with community-acquired pneumonia
Data regarding the clinical effects of bacteremia on severe community-acquired pneumonia (CAP) are limited. Thus, we investigated clinical characteristics and outcomes of severe CAP patients with bacteremia co...
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Article
Open AccessEffect of preoperative patient education and simulated mouth breathing training on opioid requirements in the post-anesthesia care unit after nasal surgery: a randomized controlled study
A simulated education, prior to surgery about postoperative nasal stuffiness and ease of breathing through the mouth may help patients tolerate discomfort after nasal surgery. This study aimed to investigate t...
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Article
Open AccessTriplet maintenance therapy of olaparib, pembrolizumab and bevacizumab in women with BRCA wild-type, platinum-sensitive recurrent ovarian cancer: the multicenter, single-arm phase II study OPEB-01/APGOT-OV4
In this multicenter, open-label, single-arm, Phase II study with Simon two-stage optimum design (NCT04361370), we investigate the efficacy and safety of triplet maintenance (olaparib, pembrolizumab, bevacizuma...
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Article
Open AccessDummy run quality assurance study in the Korean Radiation Oncology Group 19 − 09 multi-institutional prospective cohort study of breast cancer
The Korean Radiation Oncology Group (KROG) 19 − 09 prospective cohort study aims to determine the effect of regional nodal irradiation on regional recurrence rates in ypN0 breast cancer patients. Dosimetric va...
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Article
Long-term outcomes of endoscopic resection followed by additional surgery after non-curative resection in undifferentiated-type early gastric cancer: a nationwide multi-center study
Undifferentiated-type early gastric cancer (UD EGC) shows lower curative resection rates after endoscopic submucosal dissection (ESD). Additional surgery is recommended after non-curative resection. We evaluat...
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Article
Generalized List Colouring of Graphs
This paper disproves a conjecture in Wang et al. (Graphs Comb. 31:1779–1787, 2015) and answers in the negative a question in Dvořák et al. (Electron J Comb:P26, 2019). In return, we pose five open problems.
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Article
On toric ideals arising from signed graphs
A signed graph is a pair \((G,\tau )\) ( G , ...
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Article
Comparison between endoscopic submucosal resection and surgery for the curative resection of undifferentiated-type early gastric cancer within expanded indications: a nationwide multi-center study
Endoscopic submucosal dissection (ESD) for undifferentiated early gastric cancer (UD EGC) has debate due to the risk of lymph node metastasis. We investigated the outcomes of ESD compared to those of surgery f...
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Article
Open AccessTen-day bismuth-containing quadruple therapy versus 7-day proton pump inhibitor-clarithromycin containing triple therapy as first-line empirical therapy for the Helicobacter pylori infection in Korea: a randomized open-label trial
This randomized, open-label trial aimed to compare the efficacy of 10-day bismuth-containing quadruple therapy (BQT) with 7-day proton-pump inhibitor-clarithromycin containing standard triple therapy (STT) as ...
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Article
Open AccessPrognostic significance of pathologic nodal positivity in non-metastatic patients with renal cell carcinoma who underwent radical or partial nephrectomy
This retrospective, five-multicenter study was aimed to evaluate the prognostic impact of pathologic nodal positivity on recurrence-free (RFS), metastasis-free (MFS), overall (OS), and cancer-specific (CSS) su...
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Article
Open AccessCriteria for identifying residual tumours after neoadjuvant chemotherapy of breast cancers: a magnetic resonance imaging study
We investigated magnetic resonance imaging (MRI) criteria identifying residual tumours in patients with triple-negative and human epidermal growth factor receptor type 2-positive (HER2+) breast cancer followin...
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Article
Open AccessEffect of 6p21 region on lung function is modified by smoking: a genome-wide interaction study
Smoking is a major risk factor for chronic obstructive pulmonary disease (COPD); however, more than 25% of COPD patients are non-smokers, and gene-by-smoking interactions are expected to affect COPD onset. We ...
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Article
Outcomes of high versus low ligation of the inferior mesenteric artery with lymph node dissection for distal sigmoid colon or rectal cancer
We compared the complication rates and oncologic and functional outcomes of high versus low ligation of the inferior mesenteric artery (IMA).
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Chapter and Conference Paper
Stable Structure on Safe Set Problems in Vertex-Weighted Graphs II –Recognition and Complexity–
Let G be a graph, and let w be a non-negative real-valued weight function on V(G). For every subset X of V(G), let $$w(X)=\sum _{v \in X} w(v)...
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Article
Open AccessLongitudinal decline in lung function: a community-based cohort study in Korea
Progressive decline in lung function is the hallmark of chronic obstructive pulmonary disease (COPD). We aimed to assess the rate of decline in forced expiratory volume in 1 second (FEV1) in patients from a commu...
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Article
Open AccessThe association of integration patterns of human papilloma virus and single nucleotide polymorphisms on immune- or DNA repair-related genes in cervical cancer patients
The present study investigated the association between single nucleotide polymorphisms (SNPs) in immune- or DNA repair-related genes and the integration pattern of human papillomavirus (HPV), a promising progn...
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Article
Open AccessSurvival of patients receiving systematic therapy for metachronous or synchronous metastatic renal cell carcinoma: a retrospective analysis
The differences in progression-free survival (PFS) and cancer-specific survival (CSS) of metastatic renal cell carcinoma (mRCC) patients according to treatment, type of metastasis, and Heng criteria risk are u...
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Article
Effect of sleep environment of preschool children on children’s sleep problems and mothers’ mental health
We evaluated the sleep environment factors that influence children’s sleep, and the relationship between co-slee** and parenting stress and parents’ mental health. A survey was conducted in 115 parents of pr...
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Article
Largest 2-Regular Subgraphs in 3-Regular Graphs
For a graph G, let \(f_2(G)\) ...
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Article
Three-year interval for endoscopic screening may reduce the mortality in patients with gastric cancer
Endoscopic screening has been adopted in South Korea for the national screening of gastric cancer (GC). This study aimed to assess the effect on overall survival of GC patients and determine the optimal endosc...
