Expandable collections are collections whose size may vary as elements are added and removed. Hash maps and ordered collections are popular expandable collections. Expandable collection classes offer an easy-to-use API, however this apparent simplicity is accompanied by a significant amount of wasted resources. We describe some improvements of the collection library to reduce the amount of wast...

Bilateral self-expandable metallic stents may be useful in the management of malignant carinal involvement and may improve the performance status of patients. This strategy may allow patients with poor performance status to receive additional chemotherapy.

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a mapping $f:v^n longrightarrow w$, where $v$ is a commutative semigroup, $w$ is a linear space and $n$ is a positive integer, is called multi-additive if it is additive in each variable. in this paper we prove the hyers-ulam stability of multi-additive mappings in 2-banach spaces. the corollaries from our main results correct some outcomes from [w.-g. park, approximate additive mappings i...

The management of patients with peripheral artery disease (PAD) largely depends on symptom status and disease location. Those symptomatic for lower limb atherosclerotic disease are often offered revascularization if medical therapy does not suffice in ameliorating such symptoms. Despite the inherent advantages of surgical revascularization, endovascular therapy appeals many patients given the l...

Expansions of simple DNA repeats are responsible for more than two dozen hereditary disorders in humans, including fragile X syndrome, myotonic dystrophy, Huntington's disease, various spinocerebellar ataxias, Friedreich's ataxia and others. During the past decade, it became clear that unusual structural features of expandable repeats greatly contribute to their instability and could lead to th...