Ebrahim Karamian

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The surface characteristics of implant which influence the speed and strength of osseointegration include surface chemistry, crystal structure and crystallinity, roughness, strain hardening, and presence of impurities. The aim of this study was to evaluate the bioactivity and roughness of a novel natural hydroxyapatite/zircon (NHA/zircon) nanobiocomposite,(More)
Acute respiratory failure (ARF) in the earliest postoperative period after radical surgery for esophageal cancer is characterized by staged development. Its severity is determined by the degree of ventilation-perfusion disorders and the accompanying diffusion disturbances. The following factors are considered to be ARF-provoking: postaggressive circulation(More)
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