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Large amounts of nanomaterials may reach both the natural and occupational environments. This represents a potential health hazard. People have forecasted that CNTs may lead to the toxicity such as mesothelioma and fibrosis like asbestos. To identify dominant immune responses induced by SWCNTs, we investigated the composition of bronchioalveolar lavage(More)
BACKGROUND In the dermatology field, variable-pulse 595 nm pulsed dye lasers (PDLs) are now being widely used to treat vascular skin lesions. However, there is little information available on variable-pulse 595 nm PDL treatment of dark-skinned patients. OBJECTIVE The objective of this study was to evaluate the outcome of variable-pulse 595 nm PDL(More)
Excavations at two sites dating from 2000 BC-1900 AD in southeastern areas of the Republic of Korea, revealed the remains of several structures. Examination of the contents suspected privies revealed the presence of eggs from 5 kinds of parasite: Ascaris, Trichuris, Clonorchis, and two species of unknown trematodes. Clonorchis sinensis eggs were found in a(More)
BACKGROUND The term verrucous epidermal nevi refers to benign hyperplasia of the epidermis. Numerous treatment modalities have been tried, but no ideal treatment is yet available. We would like to present our experience with Er:YAG laser ablation in the treatment of verrucous epidermal nevi. OBJECTIVE The purpose of this study is to assess the long-term(More)
BACKGROUND AND OBJECTIVES Pigmentary disorders--such as hyperpigmentation and hypopigmentation, are devastating complications of erbium:yttrium-aluminum-garnet (Er:YAG) laser resurfacing. This study was undertaken to assess the clinical and histopathologic features of hyperpigmentation and hypopigmentation following Er:YAG laser resurfacing, especially in(More)
Physical activity in childhood is important as it may establish adult behavior. However, few studies on physical activity in children have been conducted, especially in Asian children. We performed anthropometric measurements of 159 school children in two grades (grade 5: 10-11 years old and grade 8: 13-14 years old) from urban areas of Korea (n=79) and(More)
BACKGROUND Postoperative erythema can be expected to occur in every patient after laser resurfacing, and pigmentary disturbances may be related to the intensity and the duration of erythema. OBJECTIVE This study was undertaken to assess the clinical features of erythema, the factors that influence its duration, and the relation between the duration of(More)
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