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Mostrando 1-12 de 34185 artigos, teses e dissertações.
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1. O que caracteriza uma gestação de alto risco?
Gestação de alto risco é “aquela na qual a vida ou a saúde da mãe e/ou do feto e/ou do recém-nascido têm maiores chances de serem atingidas que as da média da população considerada”
. Embora os esforços dos cientistas para criar um sistema de pontuação e tabelas para discriminar as gestantes de alto risco das de baixo risco não ten
Núcleo de Telessaúde Maranhão HU-UFMA. Publicado em: 12/06/2023
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2. Chromosome diversity in Buthidae and Chactidae scorpions from Brazilian fauna: Diploid number and distribution of repetitive DNA sequences
Abstract In this work, we analyzed cytogenetically eight Chactidae and Buthidae, including the localization of repetitive DNA sequences. The chactids possess monocentric chromosomes and the highest diploid numbers (2n=50 in Brotheas amazonicus, 2n=36 in Chactopsis amazonica, 2n=30 in Neochactas sp.) when compared with buthids (2n=10 in Tityus bahiensis, 2n=1
Genetics and Molecular Biology. Publicado em: 2023
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3. The complete chloroplast genome sequence of Vincetoxicum mongolicum (Apocynaceae), a perennial medicinal herb
Abstract Vincetoxicum mongolicum Maxim. (1876), is a perennial medicinal herb, widely distributed in the Loess Plateau of China. Here, we sequenced, assembled, and annotated the complete chloroplast (cp) genome of V. mongolicum, and compared the highly variable gene regions and phylogenetic positions between V. mongolicum and other related species. Results s
Genetics and Molecular Biology. Publicado em: 2023
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4. Fetal thymus in growth-restricted fetuses due to placental insufficiency
SUMMARY OBJECTIVE: The aim of this study was to assess fetal thymus size by ultrasound in growth-restricted fetuses due to placental insufficiency and compare to high-risk and low-risk pregnancy fetuses with normal placental function. METHODS: This is a nested case-control study of pregnant women followed up at a university hospital (July 2012 to July 2013
Revista da Associação Médica Brasileira. Publicado em: 2023
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5. Organizational Culture and Performance-Based Compensation in Family Firms: Does Family Involvement in Management Matter?
Abstract Purpose This study aims to analyze how different types of organizational culture influence the implementation of performance-based compensation policies in family-owned micro, small and medium-sized enterprises (MSMEs) and whether the presence of the owning family in the management of the firm moderates this relationship. Theoretical framework Cam
Revista Brasileira de Gestão de Negócios. Publicado em: 2023
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6. Growth phenotypes of very low birth weight infants for prediction of neonatal outcomes from a Brazilian cohort: comparison with INTERGROWTH
Abstract Objective: To assess the predictive value of selected growth phenotypes for neonatal morbidity and mortality in preterm infants < 30 weeks and to compare them with INTERGROWTH-21st (IG21). Methods: Retrospective analysis of data from the Brazilian Neonatal Research Network (BNRN) database for very low birth weight (VLBW) at 20 public tertiary-care
Jornal de Pediatria. Publicado em: 2023
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7. Role of apparent diffusion coefficient measurement in differentiating histological subtypes of brain metastasis of lung cancer
SUMMARY OBJECTIVE: The aim of this study was to investigate the role of apparent diffusion coefficient of diffusion-weighted imaging in differentiating histological subtypes of brain metastasis of lung cancer. METHODS: Diffusion-weighted imaging of 158 patients (mean age: 61.2±10.68 years) with brain metastasis of lung cancer (36 small cell lung cancer an
Revista da Associação Médica Brasileira. Publicado em: 2022
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8. Prognostic assessment of tumor markers in lung carcinomas
SUMMARY BACKGROUND: Serum tumor markers are molecules that are secreted by tumor cells and may be present in small amounts in the serum of healthy individuals. Their role as prognostic factors in lung cancer remains controversial. OBJECTIVE: To assess the prognostic role of CEA, CA 19-9, CA 15-3, and CA 125 in non-squamous non-small cell lung cancer. PATI
Revista da Associação Médica Brasileira. Publicado em: 2022
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9. Zenker Diverticulum: Does Size Correlate with Preoperative Symptoms?
Abstract Introduction Zenker diverticulum (ZD) usually affects adults after the 7th decade of life. Treatment for ZD is indicated for all symptomatic patients, but some patients prefer to defer surgical treatment until symptoms get worse and decrease their quality of life. Objective To evaluate the association of the preoperative symptoms in ZD patients wi
International Archives of Otorhinolaryngology. Publicado em: 2022
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10. What is the effect of tumor diameter, lymph node metastases, and SUVmax value on prognosis in limited-stage small cell lung cancer?
SUMMARY OBJECTIVE: This study was designed to investigate the link between survival and prognostic factors such as tumor size, lymph node metastasis, and metabolic activity detected on positron emission tomography/computed tomography in patients with limited-stage small cell lung carcinoma. METHODS: Patients who were admitted to our hospital with pathologi
Revista da Associação Médica Brasileira. Publicado em: 2022
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11. Small-diameter melanomas (micromelanomas): clinical, dermoscopic and histopathological findings
Anais Brasileiros de Dermatologia. Publicado em: 2022
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12. Radiation Efficiency of an Electrically Small Dual-band UHF Microstrip Patch Antenna Using Wheeler Cap Method
Abstract Determining the radiation efficiency of an antenna is a difficult task that becomes challenging when it is about electrically small antennas. This work investigates the applicability of the Wheeler cap method to measure the radiation efficiency of a UHF dual-band compact microstrip patch antenna. An overview of Wheeler method is presented. An adapta
Journal of Microwaves, Optoelectronics and Electromagnetic Applications. Publicado em: 2022