Jaehoon Sim

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Because of an increase in the commercial applications of manufactured nanoparticles, the issue of potential adverse health effects of nanoparticles following intended or unintended exposure is rapidly gaining attention. In this study, we evaluated the toxicity of aluminum oxide nanoparticles (AlNPs, rod-type, 1.5, 3, and 6 mg/kg) after oral administration(More)
PURPOSE The aim of this study was to determine the causes of hemoptysis in a pediatric age group. METHODS We conducted a retrospective chart review of all patients who were admitted to Samsung Medical Center between 1996 and 2008 with a chief complaint of hemoptysis. Patients with trauma or underlying bleeding tendency such as leukemia were excluded.(More)
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