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  1. 261
    “…Both PTV margin reduction and rotational correction decreased irradiated volume of OAR. PTV margin reduction to 5 mm is feasible, and rotational corrections are recommended in rectal patients to further minimise OAR irradiation.…”
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    Correcting rotational error in rectal cancer radiation therapy: Can planning target volume margins be safely reduced?
  2. 262
    “…Three distorted tetrahedral Dy(iii) aryloxide complexes, [Na(THF)(6)][Dy(OAr(Ad(2)tBu))(2)Cl(2)] (1) (OAr(Ad(2)tBu) = OC(6)H(2)Adamantyl(2)-2,6-(t)Bu-4) and [Na(THF)(6)][Dy(OMes*)(3)X] (X = Cl, 2; BH(4), 3), (OMes* = OC(6)H(2)(t)Bu(3)-2,4,6) exhibit easy axis magnetic anisotropy and slow magnetic relaxation at zero field, with relaxation rates 1 < 2 < 3.…”
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    Slow magnetic relaxation in distorted tetrahedral Dy(iii) aryloxide complexes
  3. 263
    “…However, FFF beams provided comparable overall OAR sparing and treatment time in VMAT. With FFF mode, VMAT yielded inferior homogeneity and superior conformity compared with IMRT, with comparable overall OAR sparing and significantly shorter treatment time. …”
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    Flattening Filter-Free Beams in Intensity-Modulated Radiotherapy and Volumetric Modulated Arc Therapy for Sinonasal Cancer
  4. 264
    “…Benefits include sparing more dose from the OAR while still maintaining the same dose coverage to the PTV. …”
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    The dosimetric significance of using 10 MV photons for volumetric modulated arc therapy for post-prostatectomy irradiation of the prostate bed
  5. 265
    “…All 30 plans were subjected to identical dose constraints, both for the target coverage and organ at risk (OAR) sparing, with a consistent order of priority. …”
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    A comparison of the dose distributions from three proton treatment planning systems in the planning of meningioma patients with single‐field uniform dose pencil beam scanning
  6. 266
    “…We examine four partitioning and classification techniques with the same hierarchy for a fair comparison. The OAR-CbC evaluates on smart home datasets Aruba and Milan using threefold and leave-one-day-out cross-validation. …”
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    Improving Recognition of Overlapping Activities with Less Interclass Variations in Smart Homes through Clustering-Based Classification
  7. 267
    “…All FLASH OAR V40 Gy/s dose rate coverage was 90–100% at 6 GyE and 10 GyE for both FLASH modalities. …”
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    Proton Bragg Peak FLASH Enables Organ Sparing and Ultra-High Dose-Rate Delivery: Proof of Principle in Recurrent Head and Neck Cancer
  8. 268
    “…Two experienced neuro-radiation oncologists determined the relevant dose difference for each organ-at-risk (OAR). Moreover, the OAR toxicity levels were assessed. …”
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    Clinical benefit of range uncertainty reduction in proton treatment planning based on dual-energy CT for neuro-oncological patients
  9. 269
    “…With UH analysis, the mean rectal dose reduction for the balloon spacer compared to the SpaceOAR was 79.2% and 53.3% for V27.1 (p < 0.001), 84.1% and 68.1% for V31.71 (p = 0.001), and 89.7% and 84.8% for V36.25 (p = 0.012), respectively. …”
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    Multicenter, dual fractionation scheme, single core lab comparison of rectal volume dose reduction following injection of two biodegradable perirectal spacers
  10. 270
    “…Much higher doses to the OAR were observed. A multiple regression analysis showed a significant interaction between CTV-SIB reduction and OAR dose increase. …”
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    Retrospective feasibility study of simultaneous integrated boost in cervical cancer using tomotherapy: the impact of organ motion and tumor regression
  11. 271
    “…BACKGROUND: Octopamine receptors (OARs) perform key functions in the biological pathways of primarily invertebrates, making this class of G-protein coupled receptors (GPCRs) a potentially good target for insecticides. …”
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    Characterization of the Anopheles gambiae octopamine receptor and discovery of potential agonists and antagonists using a combined computational-experimental approach
  12. 272
    “…Planning was optimized to minimized doses to OAR without compromising coverage of the PTV. VMAT and three non-coplanar IMRT (7-, 11-, and 15-beam) plans were compared using the heterogeneity and conformity indices (HI and CI) of the PTV, D(max) and D(mean) of the OAR, treatment delivery time, and monitor units (MUs). …”
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    A dosimetric comparison of volumetric modulated arc therapy (VMAT) and non-coplanar intensity modulated radiotherapy (IMRT) for nasal cavity and paranasal sinus cancer
  13. 273
    “…RESULTS: Intention-to-treat eradication rates were: OAL (97.6%), OAM (91.6%), OAC (92.3%) and OAR (58.3%). Cure rate was significantly higher in naïve patients treated with OAR-10 compared to patients who had two or three previous treatment failures (83% vs 33%). …”
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    Antimicrobial susceptibility testing before first-line treatment for Helicobacter pylori infection in patients with dual or triple antibiotic resistance
  14. 274
    por Sud, Shivani, Roth, Toni, Jones, Ellen
    Publicado 2018
    “…PURPOSE: Intra-vaginal packing is used to fix the applicator and displace organs at risk (OAR) during high-dose-rate intracavitary tandem and ovoid brachytherapy (HDR-ICB). …”
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    Clinical analysis of speculum-based vaginal packing for high-dose-rate intracavitary tandem and ovoid brachytherapy in cervical cancer
  15. 275
    “…Reduction in MLC transmission is the dominating factor contributing to dosimetric differences in OAR sparing.…”
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    Impact of Multi-leaf Collimator Parameters on Head and Neck Plan Quality and Delivery: A Comparison between Halcyon™ and Truebeam® Treatment Delivery Systems
  16. 276
    “…The deviation would tend to increase as the OAR was located closer to the CTV in both optimization techniques. …”
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    Difference in LET‐based biological doses between IMPT optimization techniques: Robust and PTV‐based optimizations
  17. 277
    “…To evaluate the quality of planning target volume (PTV) and organs at risk (OAR) generated by the manual Pinnacle planning (manP) and Auto-Planning (AP) modules and discuss the feasibility of AP in the application of radiotherapy for patients with breast cancer. …”
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    Application of auto-planning in radiotherapy for breast cancer after breast-conserving surgery
  18. 278
    “…The principal outcome of interest was OAR doses (heart dose, left anterior descending coronary artery dose and ipsilateral lung dose) and target coverage. …”
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    Prone position versus supine position in postoperative radiotherapy for breast cancer: A meta-analysis
  19. 279
    “…Based on the Bonferroni adjusted p values, four QTLs located on 181.7 Mbp of OAR3, 107.7 Mbp of OAR4, 86.3 Mbp of OAR7 and 83.0 Mbp of OAR8 were significantly associated with α1, β, β and γ globulins, respectively. …”
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    Genome-wide association study and genomic heritabilities for blood protein levels in Lori-Bakhtiari sheep
  20. 280
    “…This study aimed to evaluate rectal dose reduction in prostate cancer patients who underwent a combination of volumetric modulated arc therapy (VMAT) and low‐dose‐rate (LDR) brachytherapy with insertion of hydrogel spacer (SpaceOAR). For this study, 35 patients receiving hydrogel spacer and 30 patients receiving no spacer were retrospectively enrolled. …”
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    Biological effective dose in analysis of rectal dose in prostate cancer patients who underwent a combination therapy of VMAT and LDR with hydrogel spacer insertion
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