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Bone scan has long been considered to be an important diagnostic test in searching for bone metastases. However, considerable difficulty is encountered in the vertebral region due to the complexity of structures and the fact that other benign lesions, especially degenerative changes, are very common there. Single-photon emission tomography (SPET) has been… (More)
PURPOSE To discover sequence alterations in the TIGR/MYOC gene associated with primary open-angle glaucoma (POAG) in Chinese subjects. METHODS Two hundred one unrelated Chinese patients with POAG and 291 unrelated individuals without glaucoma, aged 50 years or more, were screened for sequence alterations in the TIGR/MYOC gene by polymerase chain reaction,… (More)
Novel concepts are presented to enhance query languages to represent time and uncertainty. We speciically enhance FQL , a deductive and object-oriented query language, with the abilities to adequately represent time and uncertainty .
BACKGROUND Construction of gastrointestinal anastomoses by using stapling devices has become a familiar procedure. Most studies have shown no significant differences in complication rates between stapled and sutured anastomoses performed during elective surgery. To date, no study has evaluated the incidence of complications of stapled anastomoses in the… (More)