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  1. 4221
    “…Metagenomic next-generation sequencing (mNGS) experiments involving small amounts of nucleic acid input are highly susceptible to erroneous conclusions resulting from unintentional sequencing of occult contaminants, especially those derived from molecular biology reagents. …”
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    Towards precision quantification of contamination in metagenomic sequencing experiments
  2. 4222
    “…OUTCOMES AND VARIABLES: We investigated a number of factors including previous experience of using FIT and guaiac faecal occult blood tests (FOBTs), the number of urgent referrals for CRC that GPs have made in the last year and their sociodemographic and professional characteristics that could be associated with their self-reported awareness of the FIT diagnostic guidance. …”
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    General practitioners’ awareness of the recommendations for faecal immunochemical tests (FITs) for suspected lower gastrointestinal cancers: a national survey
  3. 4223
    “…METHODS: For screening and diagnosis of CRC, peripheral (m)SEPT9 detection and fecal occult blood test (FOBT) were performed in 650 subjects, then the level of CEA, CA19–9 and CA724 was quantified in 173 subjects. …”
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    The role of (m)SEPT9 in screening, diagnosis, and recurrence monitoring of colorectal cancer
  4. 4224
    “…We found an unexpectedly high prevalence of occult neoplastic changes in the endometrium of women undergoing bariatric surgery. …”
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    The impact of obesity and bariatric surgery on circulating and tissue biomarkers of endometrial cancer risk
  5. 4225
    “…ESUS constitute a heterogeneous group of patients with embolic cerebral infarction. Occult AF represents the underlying mechanism of cerebral ischemia in the minority of ESUS patients. …”
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    Embolic strokes of undetermined source: theoretical construct or useful clinical tool?
  6. 4226
    “…BACKGROUND: The United Kingdom (UK) bowel cancer screening programme has reduced mortality from colorectal cancer (CRC), but poor uptake with stool-based tests and lack of specificity of faecal occult blood testing (FOBT), has prompted investigation for a more suitable screening test. …”
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    Colorectal cancer and adenoma screening using urinary volatile organic compound (VOC) detection: early results from a single-centre bowel screening population (UK BCSP)
  7. 4227
    “…Community level intervention and routine assessment of sociodemographic, behavioral, and biophysiological risk factors, screening, and diagnosis of NCDs should be institutionalized to address the occult burden.…”
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    Prevalence of Hypertension and Associated Factors in Dire Dawa City, Eastern Ethiopia: A Community-Based Cross-Sectional Study
  8. 4228
    “…The possible origins of the tumor include metastasis from an occult intra-thyroidal tumor, primary PTC that had undergone spontaneous resolution, or a primary renal tumor with thyroid-like characteristics. …”
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    SUN-601 Papillary Thyroid-like Carcinoma Of The Kidney
  9. 4229
    “…The aim of the current study was to determine the efficacy of rTSA for this fracture pattern in geriatric patients presenting with occult or profound neurologic injury. METHODS: A retrospective case series of all shoulder arthroplasty procedures for proximal humerus fractures from February 2006 to February 2018 was performed. …”
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    Reverse Total Shoulder Arthroplasty for Geriatric Proximal Humerus Fracture Dislocation With Concomitant Nerve Injury
  10. 4230
    “…Overall, the largest effect sizes were for studies that utilized a combination of colonoscopy, fecal occult blood test (FOBT), and sigmoidoscopy as screening options (16–45 percentage point difference). …”
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    A Systematic Review of U.S.-Based Colorectal Cancer Screening Uptake Intervention Systematic Reviews: Available Evidence and Lessons Learned for Research and Practice
  11. 4231
    “…Approximately 80% of the patients had spontaneous closure of their defect. Despite this, occult arrhythmias were frequent. The most common arrhythmia was supraventricular tachycardia (n=24, 16%) with non-sustained atrial arrhythmias in 21 patients and AF in two patients. …”
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    Hidden burden of arrhythmias in patients with small atrial septal defects: a nationwide study
  12. 4232
    “…Residual HCV-RNA can persist in liver tissue and peripheral blood mononuclear cells (PBMCs) long after antiviral therapy of chronic hepatitis C in patients repeatedly negative for viral RNA in serum. This occult infection associates with impaired immune response and the risk of lymphoproliferative disorders or progressive liver disease. …”
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    Neutrocyte-to-lymphocyte ratio predicts the presence of a replicative hepatitis C virus strand after therapy with direct-acting antivirals
  13. 4233
    “…Pilots undergo frequent medical assessment for occult disease, which threatens incapacitation or distraction during flight. …”
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    Cardiac MRI improves cardiovascular risk stratification in hazardous occupations
  14. 4234
    “…BACKGROUND: Whether achieving sustained virological response (SVR) in patients with hepatitis C attains complete elimination of hepatitis C virus (HCV) is unknown, because occult HCV infection (OCI), defined as the detection of HCV-RNA in hepatocytes or peripheral blood mononuclear cells (PBMC) in absence of serum HCV-RNA, may occur. …”
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    Detection of residual HCV-RNA in patients who have achieved sustained virological response is associated with persistent histological abnormality
  15. 4235
    “…As the underlying pathogenesis is not yet clarified, the early-stage clinical manifestations are occult and atypical. Also, the imaging manifestations are not specific, which is challenging for the clinical diagnosis and treatment. …”
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    Multiple primary central nervous system lymphoma in the elderly: A case report
  16. 4236
    “…For oncologists and surgeons, a female patient with enlarged axillary lymph node on one side only is easily diagnosed with an occult breast carcinoma rather than ES. Besides, whole breast metastasis of ES has not been reported yet. …”
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    Ipsilateral breast metastasis after axillary dissection caused by epithelioid sarcoma: a case report and pathological investigation
  17. 4237
    “…Surprisingly, the histopathology was conclusive for ACTH-positive lymph node metastasis located in the retro-duodenal tissue of an occult neuroendocrine tumor WHO grade II. The primary tumor has not been identified so far and, because of the persistent hypercortisolism, the patient underwent bilateral adrenalectomy. …”
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    A pitfall of bilateral inferior petrosal sinus sampling in cyclic Cushing’s syndrome
  18. 4238
    “…NOM failure and operative delay were most commonly due to occult hollow viscus injury (HVI), the detection of which was achieved by close clinical observation and abdominal ultrasound in conjunction with monitoring for rising markers of infection and by multidetector computed tomography (MDCT) if additionally indicated. …”
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    No need for surgery? Patterns and outcomes of blunt abdominal trauma
  19. 4239
    “…Comparison of the results revealed, on the one hand, that 2/3 of respondents who had used and 1/3 of those who did not consume OTC drugs had undergone fecal occult blood tests over the past year (p < 0.05) and, on the other hand, that those respondents had been less frequently hospitalized in the previous year (p = 0.05). …”
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    The Impact of the Socio-Demographic Characteristics of Complementary and Alternative Medicine Users in Serbia on OTC Drug Consumption
  20. 4240
    “…The purpose of this study was to examine the efficacy of CM to encourage participation in cancer screening for people with schizophrenia, with particular focus on colorectal cancer screening by faecal occult blood testing, compared with usual intervention (UI), namely, municipal public education. …”
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    A randomised controlled trial of a case management approach to encourage participation in colorectal cancer screening for people with schizophrenia in psychiatric outpatient clinics: study protocol for the J-SUPPORT 1901 (ACCESS) study
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