Results 201 to 210 of about 63,783 (255)

Transorbital penetrating brainstem injury by a chopstick with major vessel proximity: staged extraction under endovascular standby and serial vascular follow-up. [PDF]

Int J Emerg Med
Asano H, Kakino Y, Kano S, Wakayama Y, Takada E, Kimura K, Kuroda A, Miura T, Mizuno Y, Fukuta T, Takei H, Suzuki K, Miyake T, Enomoto Y, Yoshida S, Izumo T, Okada H.   +16 more
europepmc   +1 more source

Spinal Cord CLIPPERS: Longitudinally Extensive Myelitis with Radial Punctate Enhancement. [PDF]

Ann Indian Acad Neurol
Sharma AD, Saini J, Chadha D.
europepmc   +1 more source

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Evolution of PON: 10G-PON and WDM-PON

Asia Communications and Photonics Conference and Exhibition, 2010
This paper covers the current standardized 10G PON systems: XG-PON1 from ITU (G.987) and 10G EPON from IEEE (802.3av) as well as progress towards longer reach and higher capacities. The emerging WDM-PON technology variants and their characteristics are outlined. Finally, the evolution of PON network management is discussed in detail.
Ling Chen, Stefan Dahlfort, Dave Hood
openaire   +1 more source

An ependymoblastoma of the pons

The Journal of Pathology, 1975
A case of ependymoblastoma of the pons in a child is reported, the first so far described in this location. The case adds further evidence for the acceptance of ependymoblastomas as a specific variety of primitive human glioma.
L S, Queiroz, J L, de Faria, J N, Cruz Neto   +2 more
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Tuberculoma of the pons

Pediatric Neurology, 1999
A case of a pontine tuberculoma in a 12-year-old male from Somalia is presented. Cranial magnetic resonance imaging, performed in Abu Dhabi 1 month before admission in Germany revealed a tumorous lesion in the pons with surrounding edema; a presumptive diagnosis of a pontine glioma was made.
S, Knauer-Fischer, J, Schaper, H T, Janssen, F, Ratjen   +3 more
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PON in adolescence: from TDMA to WDM-PON

IEEE Communications Magazine, 2008
Passive optical networks are used for fiber-to-the-home/curb/cabinet/building applications. Today, two PON variants with time-domain multiple access, GPON and EPON, are being used for mass roll-outs. WDM-PONs are the next step up from these PONs to accommodate traffic growth and new applications. This article analyzes WDM-PON variants and proposes they
Klaus Grobe, Jörg-Peter Elbers
openaire   +1 more source

Operator Trial of Quadruple PON Coexistence with 100G-PON, 50G-PON, 25GS-PON and XGS-PON

Optical Fiber Communication Conference (OFC) 2025
We present North American operator trial involving world’s first simultaneous operation of four PON technologies: 100G-PON, 50G-PON, 25GS-PON and XGS-PON over a field-deployed 11-km-long fiber. We report correct operation of all systems in the trial.
Robert Borkowski, Kovendhan Vijayan, Suresh Chandrasekaran, John Valdez, Erwin Wardojo, Srimadhaven Thirumurthy, Vincent Houtsma, Christoph Füllner, Dora van Veen, Michael Straub, René Bonk, Chris Edwards, Jochen Maes   +12 more
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The PON Roadmap

Optical Fiber Communication Conference, 2016
With the recent conclusion of the NG-PON2 standards in the ITU-T, the fiber access industry is now considering where to go next. This paper reviews some of the options for the evolution of passive optical networks.
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