At any point 1–5 days following ascent to altitudes ≥2500 m, individuals are at risk of
developing one of three forms of acute altitude illness: acute mountain sickness, a syndrome of …

During the ongoing coronavirus disease (COVID-19) pandemic, reports in social media and
the lay press indicate that a subset of patients are presenting with severe hypoxemia in the …

To provide guidance to clinicians about best practices, the Wilderness Medical Society (WMS)
convened an expert panel to develop evidence-based guidelines for the prevention and …

Background Community transmission of coronavirus 2019 (Covid-19) was detected in the
state of Washington in February 2020. Methods We identified patients from nine Seattle-area …

Roach, Robert C., Peter H. Hackett, Oswald Oelz, Peter Bärtsch, Andrew M. Luks, Martin J.
MacInnis, J. Kenneth Baillie, and The Lake Louise AMS Score Consensus Committee. The …

Suppose we are given a set of generators for a group G of permutations of a colored set A.
The color automorphism problem for G involves finding generators for the subgroup of G …

Many reasoning and optimization problems exhibit symmetries. Previous work has shown
how special purpose algorithms can make use of these symmetries to simplify reasoning. We …

We announce an algebraic approach to the problem of assigning canonical forms to graphs.
We compute canonical forms and the associated canonical labelings (or renumberings) in …

Equations of state are used to predict or to match equilibrium fluid phase behavior for systems
as diverse as distillation columns and miscible gas floods of oil reservoirs. The success of …

Objectives To test the hypothesis that somatic phosphatidylinositol-4,5-bisphospate 3-kinase,
catalytic subunit alpha (PIK3CA) mutations would be found in patients with more common …