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spine surgery began its evolution in the beginning of the 19th century in order to reach nowadays the point of being considered an important subspecialty of neurosurgery and orthopaedics. the purpose of this historical review is the search and evaluation of the progress in spine surgery until the middle of the 20th century. this review concerns the inauguration and evolution of this field in gr...

spine surgery began its evolution in the beginning of the 19th century in order to reach nowadays the point of being considered an important subspecialty of neurosurgery and orthopaedics. the purpose of this historical review is the search and evaluation of the progress in spine surgery in the second half of the 20th century. this review concerns the evolution of this field in greece. special r...

the history of mycology in iran is presented in five periods. in the first period (until 1860) there is no sign of iranian fungi in scientific literature. in the second period (1860–1941) the study of iranian fungi was started by foreign mycologists who did not visit iran but worked on plant material collected by botanists. in the third period (1941–1963) the study of iranian fungi was started ...

In 1972, forty years ago, Division of Radioisotope Utilization separated from Department of Radiology of our Hospital, having grown into independent Department of Nuclear Medicine and Oncology. According to Professor Šime Spaventi, the first head of the Division of Radioisotope Utilization, then head of the Department of Nuclear Medicine and Oncology1, from 1963 when the Division was establishe...

"Stereotactic" is an exact radiotherapy treatment modality which implements invasive and non-invasive facilities for improving precise dose delivery. Stereotactic refers to three-dimensional localization of a specific point in space by a unique set of coordinates that relate to a fixed external reference frame. An accurate delivery of radiation is attainable using these techniques with high pre...

In the recent years, interstitial brachytherapy implantation has become the treatment of choice for early stage prostate cancer patients. Treatment of prostate cancer with radiation is traced back to 1909. Originally this treatment modality was very crude and could not gain much popularity till 1982. Advancements in radioactive source designs, introduction of new low energy radioactive sources,...

in the recent years, interstitial brachytherapy implantation has become the treatment of choice for early stage prostate cancer patients. treatment of prostate cancer with radiation is traced back to 1909. originally this treatment modality was very crude and could not gain much popularity till 1982. advancements in radioactive source designs, introduction of new low energy radioactive sources,...

This paper reviews current discussion of the issue of just what is lost when a language dies. Special reference is made to the current situation in Laos, a country renowned for its considerable cultural and linguistic diversity. It focuses on the historical, anthropological and ecological knowledge that a language can encode, and the social and cultural consequences of the loss of such traditio...