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We studied the variations in the ventral rami of 152 brachial plexuses in 77 Korean adults. Brachial plexus were composed mostly of the fifth, sixth, seventh and eighth cervical nerves and the first thoracic nerve (77.0%). In 21.7% of the cases examined, the fourth, fifth, sixth, seventh and eighth cervical and the first thoracic nerves contributed to the(More)
This paper deals with the existence of a mild solution for some fractional semilinear differential equations with non local conditions. Using a more appropriate definition of a mild solution than the one given in [12], we prove the existence and uniqueness of such solutions, assuming that the linear part is the infinitesimal generator of an analytic(More)
Alcohol is oxidized to acetaldehyde by alcohol dehydrogenase (ADH) and cytochrome P-4502E1 (CYP2E1), and then to acetate by aldehyde dehydrogenase (ALDH). Polymorphisms of these ethanol-metabolizing enzymes may be associated with inter-individual difference in alcohol metabolism and susceptibility to alcoholic liver disease. We determined genotype and(More)
We determined the fecal carriage rate of serotype K1 Klebsiella pneumoniae in healthy Koreans and studied their genetic relationship with liver abscess isolates. We compared the carriage according to the country of residence. The stool specimens were collected through health promotion programs in Korea. K. pneumoniae strains were selected and tested for K1(More)
Recently, many organizations have attempted to build hypermedia systems to expand their working areas into Internet-based virtual workplaces. Thus, it is important to manage corporate hypermedia documents effectively. Metadata plays a critical role for managing these documents. This paper identifies metadata roles and components to build a metadata schema.(More)
Scalable quantum computation with linear optics was considered to be impossible due to the lack of efficient two-qubit logic gates, despite the ease of implementation of one-qubit gates. Two-qubit gates necessarily need a non-linear interaction between the two photons, and the efficiency of this non-linear interaction is typically very small in bulk(More)
CONTEXT Pancreatic metastases are relatively common in advanced lung cancers (both small cell lung carcinoma and non-small cell lung carcinoma), but metastasis-induced acute pancreatitis is very unusual. CASE REPORT A 51-year-old woman with small cell carcinoma of the lung developed acute pancreatitis as the initial manifestation. Abdominal(More)