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Freeze-cleaving can be used as a direct probe to examine the ultrastructural alterations of biological material due to freezing. We examined the thesis that at least two factors, which are oppositely dependent upon cooling velocity, determine the survival of cells subjected to freezing. According to this thesis, when cells are cooled at rates exceeding a(More)
We are reporting a case of epidural abscess complicating bacterial endocarditis. To the best of our knowledge, this association has not been reported before. Streptococcus sanguis was isolated from the blood. A full recovery followed surgery and antibiotic therapy. The relevant characteristics of both diseases are reviewed. No explanation for this rare(More)
Potentiation of the anticoagulant-effect of warfarin by amiodarone was studied in 30 patients. Thirteen received both drugs concurrently, and 17 received warfarin alone and the combination sequentially. Warfarin doses were adjusted to maintain the prothrombin time between 25–30% of control and its kinetics were compared to those in 20 control patients who(More)