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Original Article
A Study on Methacholine Challenge Test in Asthmatic Children.
Yong Gab Kwon, Ki Young Lee
Clin Exp Pediatr. 1985;28(11):1073-1081.   Published online November 30, 1985
A diagnosis of asthma is most confidently made by actually exposing the patient to the suspected allergen (by either inhalation or ingestion) and evoking the allergic response. Several methods are known for these kinds of provocation test for the diagnosis and differential diagnosis of asthma and one of the widely-used such test is methacholine challenge test which utilized the fact...
Case Report
Four Cases of Gianotti-Crosti Syndrome.
Yong Gab Kwon, Ki Sup Chung, Kir Yong Kim
Clin Exp Pediatr. 1984;27(8):820-826.   Published online August 31, 1984
The Gianotti-Crosti syndrome, papular acrodermatitis of childhood(PAC), is an infrequently recognized disorder with distinctive characteristics. At present hepatitis B virus is thought to be an etiologic gent. The disease is very rare in Korea, in spite of the high frequency of hepatitis B surface antigen(HBsAg) in the general population. It is known that subtype ayw of the HBsAg may influence...
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