Nonpharmacological Self-Management of Migraine Across Social Locations: An Equity-Oriented, Qualitative Analysis

Background Migraine is a disabling neurological disorder and the sixth biggest cause of disability worldwide.The World Health Organization has declared migraine a major public health problem due to a paucity of knowledge about cause and effective treatment options.Both in incidence and severity, migraine disproportionately affects people occupying

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Landau discriminants

Abstract Scattering amplitudes in quantum field theories have intricate analytic properties as functions of the energies and momenta of the scattered particles.In perturbation theory, their singularities Flying Disc are governed by a set of nonlinear polynomial equations, known as Landau equations, for each individual Feynman diagram.The singularit

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