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  1. 1581
    “…The supramolecular architecture is futher stabilized by weak C—H⋯π inter­actions. The 18-crown-6 mol­ecule is disordered over two sets of sites with an occupancy ratio of 0.8:0.2.…”
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    Diaqua­(5,10,15,20-tetra­phenyl­porphyrinato-κ(4) N)magnesium–18-crown-6 (1/1)
  2. 1582
    “…Fusarium crown rot (FCR), caused by various Fusarium species, is a destructive disease of cereal crops in semiarid regions worldwide. …”
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    A Novel and Major Quantitative Trait Locus for Fusarium Crown Rot Resistance in a Genotype of Wild Barley (Hordeum spontaneum L.)
  3. 1583
    “…In this review, we describe direct and indirect photochemical approaches that have been developed for the preparation of phthalimide- and naphthalimide-based, lariat-type crown ethers. The direct route utilizes a strategy in which nitrogen-linked side chains containing polyethoxy-tethered phthalimides and naphthalimides, possessing terminal α-trialkylsilyl groups, are synthesized utilizing concise routes and UV-irradiation to form macrocyclic ring systems. …”
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    Direct and indirect single electron transfer (SET)-photochemical approaches for the preparation of novel phthalimide and naphthalimide-based lariat-type crown ethers
  4. 1584
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    Direct C–H Metalation with Chromium(II) and Iron(II): Transition-Metal Host / Benzenediide Guest Magnetic Inverse-Crown Complexes**
  5. 1585
    “…For each pair of mandibles, one mandible received crown amputation at the alveolar margin to simulate the effect of crown loss on fixation strength and stiffness. …”
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    Crown Preservation of the Mandibular First Molar Tooth Impacts the Strength and Stiffness of Three Non-Invasive Jaw Fracture Repair Constructs in Dogs
  6. 1586
    “…OBJECTIVE: To investigate the maxillary and mandibular anterior crown width/height ratio and its relation to various arch perimeters, arch length, and arch width (intercanine, interpremolar, and intermolar) groups. …”
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    Maxillary and mandibular anterior crown width/height ratio and its relation to various arch perimeters, arch length, and arch width groups
  7. 1587
    “…A comparative transcriptomic study of embryonic primary and seminal, and post-embryonic crown roots of the maize inbred line B73 by RNA sequencing along with anatomical studies were conducted early in development. …”
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    Transcriptomic and anatomical complexity of primary, seminal, and crown roots highlight root type-specific functional diversity in maize (Zea mays L.)
  8. 1588
    “…The conductometric sensor based on 25,27-di-(5-thio-octyloxy)calix[4]arene-crown-6 was developed for the quantitative analysis of ammonium. …”
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    Development of Conductometric Sensor Based on 25,27-Di-(5-thio-octyloxy)calix[4]arene-crown-6 for Determination of Ammonium
  9. 1589
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    A New Total Digital Smile Planning Technique (3D-DSP) to Fabricate CAD-CAM Mockups for Esthetic Crowns and Veneers
  10. 1590
    “…The Wattled Crane was widely distributed in the relatively undisturbed A2 farms while the Grey Crowned Crane was associated with the more disturbed land of A1 farms, Old Resettlement and its communal grazing land. …”
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    Varying Land-Use Has an Influence on Wattled and Grey Crowned Cranes’ Abundance and Distribution in Driefontein Grasslands Important Bird Area, Zimbabwe
  11. 1591
    “…INTRODUCTION: Crowned dens syndrome is a rare disease entity which radiologically shows calcification of the cruciform ligament around the odontoid process. …”
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    Usefulness of cervical computed tomography and magnetic resonance imaging for rapid diagnosis of crowned dens syndrome: A case report and review of the literature
  12. 1592
    “…PURPOSE: This in-vitro study aimed to evaluate the fracture resistances and failure modes of endodontically treated mandibular premolars restored with endocrowns and conventional post-core retained crowns. MATERIALS AND METHODS: Thirty mandibular premolars were assigned into three groups (n=10): GI, intact teeth; GE, teeth with endocrowns; GC, teeth with conventional post-core supported crowns. …”
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    A comparison of the fracture resistances of endodontically treated mandibular premolars restored with endocrowns and glass fiber post-core retained conventional crowns
  13. 1593
    “…AIM: The aim of this study was to determine the relationship between nutritional status and tooth crown size. DESIGN: An observational cross-sectional survey was conducted among 100 school-going children of 6–9 years. …”
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    A study on nutritional status and tooth crown size among 6–9-year-old children: An observational cross-sectional study
  14. 1594
    “…BACKGROUND: Postmenopausal obesity is associated with increased circulating levels of androgens and estrogens and elevated breast cancer risk. Crown-like structures (CLS; microscopic foci of dying adipocytes surrounded by macrophages) are proposed to represent sites of increased aromatization of androgens to estrogens. …”
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    Relationship between crown-like structures and sex-steroid hormones in breast adipose tissue and serum among postmenopausal breast cancer patients
  15. 1595
    por AlZarea, Bader K.
    Publicado 2017
    “…This study was carried out to assess the OHRQoL of patients treated with implant-supported single crowns or fixed partial dentures. MATERIAL AND METHODS: A total of 79 healthy partially edentulous subjects needing implant therapy were incorporated in this study. …”
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    Oral health related quality-of-life outcomes of partially edentulous patients treated with implant-supported single crowns or fixed partial dentures
  16. 1596
    “…Results The 5-year survival rate for MC crowns was higher than for composite crowns (93% versus 70%; p < 0.001). …”
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    A retrospective multicenter study comparing metal–ceramic and composite single crowns performed in public general dentistry: 5-year results
  17. 1597
    “…PURPOSE: The aim of the present study was to evaluate the fracture resistances of zirconia, cast nickel-chromium alloy (Ni-Cr), and fiber-composite post systems under all-ceramic crowns in endodontically treated mandibular first premolars. …”
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    Fracture resistances of zirconia, cast Ni-Cr, and fiber-glass composite posts under all-ceramic crowns in endodontically treated premolars
  18. 1598
    “…Previous work on white‐crowned sparrows (Zonotrichia leucophrys) found that males holding territories in louder areas tend to sing higher frequency songs and that both noise levels and song frequency have increased over time (30 years) in urban areas. …”
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    White‐crowned sparrow males show immediate flexibility in song amplitude but not in song minimum frequency in response to changes in noise levels in the field
  19. 1599
    “…INTRODUCTION: Crown materials used in fixed prosthodontics come into close and prolonged contact with the gingiva. …”
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    Effect of Different Crown Materials on the InterLeukin-One Beta Content of Gingival Crevicular Fluid in Endodontically Treated Molars: An Original Research
  20. 1600
    “…These results suggest that EtOAc-F has a good potential to be a curative biocontrol agent for crown gall disease.…”
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    Efficacy of Eucalyptus cinerea as a Source of Bioactive Compounds for Curative Biocontrol of Crown Gall Caused by Agrobacterium tumefaciens Strain B6
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