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  1. 1901
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    Signet Ring Early Gastric Cancer: Seize the Opportunity
  2. 1902
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    Allosteric coupling between α-rings of the 20S proteasome
  3. 1903
    “…On the basis of our analysis of the HRPES spectra, two adsorption species consisting of a major Ge–(CH(2))(4)–O–Ge structure formed via a ring-opening reaction and a minor molecularly adsorbed structure formed via O dative bonding were identified. …”
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    Ring-Opening Reaction of Tetrahydrofuran on Ge(100) Surface
  4. 1904
    Publicado 2020
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    BAOMS welcomes call for ring-fenced hospital beds
  5. 1905
    “…Their photophysics is governed by the twist of lateral phenyl rings and intramolecular and intermolecular CT transitions.…”
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    How an Eight-Membered Ring Alters the Rhodamine Chromophore
  6. 1906
    “…A section of optical fibre was integrated into an active fibre ring cavity with optical gain and interrogated by the OFDR system for 11 cycles with a single laser scan. …”
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    Spatially resolved fibre cavity ring down spectroscopy
  7. 1907
    “…Pelvic ring injuries (PRI) are among the most difficult injuries to deal with in orthopedic trauma. …”
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    Management of Pelvic Ring Injury Patients With Hemodynamic Instability
  8. 1908
    “…The short-term safety and efficacy of intracorneal ring segment (ICRS) implantation in keratoconus eyes of children are investigated in this study. …”
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    Intracorneal Ring Segment Implantation for the Management of Keratoconus in Children
  9. 1909
    “…We report on the observation of a new phenomenon occurring in a fiber ring laser. This phenomenon is about the transition from an initially bidirectional emission of a reciprocal fiber ring laser to a unidirectional emission at a certain pump power threshold. …”
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    Observation of direction instability in a fiber ring laser
  10. 1910
    “…On this basis, the low-frequency directivity of the transducer is further analyzed and the ratio of the excitation signals of the two piezoelectric rings is obtained. Finally, a prototype of the broadband ring flextensional underwater transducer is fabricated according to the results of simulation. …”
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    Research and Fabrication of Broadband Ring Flextensional Underwater Transducer
  11. 1911
    “…Reproductive and genitourinary complications following pelvic ring injuries have been described; however, testicular dislocation is rare and can cause significant morbidity if not managed appropriately. …”
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    Testicular Dislocation After Unstable Pelvic Ring Injury
  12. 1912
    “…Two studies now amend a long-standing paradigm by showing conservation of an essential ring structure in the entire phylum.…”
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    Apicomplexans: A conoid ring unites them all
  13. 1913
    “…This review covers the progress achieved in the application of sequences combining excitation by ultraviolet light to form strained intermediates, which are further transformed to lower energy products in strain‐release reactions. As ring strain is considerable in small ring systems, photogenerated three‐ and four‐membered rings will be covered, mainly focusing on examples from 2000 to May 2020.…”
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    Strain Release Chemistry of Photogenerated Small‐Ring Intermediates
  14. 1914
    “…The strength of the anticancer action depends both on the tricyclic ring scaffolds and the substituents at the thiazine nitrogen atom. …”
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    Phenothiazines Modified with the Pyridine Ring as Promising Anticancer Agents
  15. 1915
    “…Pathology of the polypoid lesion revealed poorly differentiated signet ring cell adenocarcinoma of the colon at the hepatic flexure. …”
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    Intussusception secondary to signet ring cell adenocarcinoma in adolescent
  16. 1916
    “…BACKGROUND: To compare the results of single versus double intracorneal ring segment (ICRS) (KeraRing) implantation in keratoconus with respect to different cone locations. …”
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    The number of intracorneal ring segments in asymmetric and central cones
  17. 1917
    “…Despite its importance, there are relatively few studies on ring puckering and conformations, often focused on small cycloalkanes, 5- and 6-membered carbohydrate rings, and specific macrocycle families. …”
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    Understanding Ring Puckering in Small Molecules and Cyclic Peptides
  18. 1918
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    Signet-ring cutaneous metastasis presenting with massive anasarca
  19. 1919
    “…Cryo-electron microscopy recently resolved the structure of the vertebrate γ-tubulin ring complex (γ-TuRC) purified from Xenopus laevis egg extract and human cells to near-atomic resolution. …”
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    Reconstitution of the recombinant human γ-tubulin ring complex
  20. 1920
    “…Primary signet-ring cell carcinoma of the urinary bladder is a rare tumor. …”
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    Primary signet-ring cell carcinoma of the urinary bladder
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