Dan Levinson

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The literature has been reviewed, and 58 autopsied cases of dissecting aneurysm of the aorta observed at the Los Angeles County Hospital over a ten year period have been carefully studied. Clinical-pathologic correlation has been attempted whenever possible, with emphasis on diagnostic features. The increasing incidence of accurate diagnosis of dissecting(More)
Memory deficits and other cognitive symptoms frequently associated with mTBI are commonly thought to resolve within 7-10 days. This generalization is based principally on observations made in individuals who are in the unstressed environmental conditions typical of a clinic and so does not consider the impact of physiologic, environmental, or psychological(More)
Fifty-seven patients with subacute bacterial endocarditis were treated with doses of penicillin varying from 500,000 to 20,000,000 units per day. Diagnosis was confirmed in some cases by growths on blood culture, in others by postmortem examination. In those cases in which the diagnosis was established by blood culture, the in vitro sensitivity of the(More)