Ji Hwan Song

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OBJECTIVE Vertebral distraction is routinely performed during anterior cervical discectomy and fusion (ACDF). Overdistraction can injure the facet joints and may cause postoperative neck pain consequently. The purpose of this study was to investigate the clinical relevance of distraction force during ACDF. METHODS This study included 24 consecutive(More)
We have built a Debian-Beowulf computer cluster consisting of 15 computational nodes, each equipped with 15 AMD Opteron 64 bit microprocessors. Local Area Multicomputer (LAM) – Message Passing Interface (MPI) was used as a portable high-performance implementation for MPI. More than 2,000 bacterial 16S ribosomal RNAs (rRNAs) were multiply aligned using(More)
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