background stevens-johnson syndrome (sjs) is one of potentially fatal disorders that often occur after taking certain types of medication. there are reports of this disease after some infections. this paper presents the case of a young boy with idiopathic stevens-johnson syndrome. case report a six-year-old male patient with complaint of fever and skin lesions was transferred to emergency depar...

It is seldom possible to plausibly define and observe a pool of potential entrants to a market. This study overcomes that limitation by taking advantage of an opportunity to reasonably define the potential entrants into MTBE production, a rapidly growing environmental product from the mid-1980’s to mid-1990’s. Potential entrants are identified as those firms having access to specific assets tha...

C. Merle Crawford is a professor of marketing at the University of Michigan at Ann Arbor; Gerard J. Tellis, formerly a sales development manager for Johnson & Johnson, is a research assistant and Ph.D. candidate at Michigan. This exhaustive listing and classification of the literature and arguments on technological innovation contributes toward the discussion of an issue vital to the United Sta...