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Food protein-induced enterocolitis (FPIES) is a non -IgE, cell- mediated food allergic disorder that can be severe and lead to shock. 1 In spite of the potential seriousness of reactions, awareness of FPIES is low, high-quality studies providing insight into the pathophysiology, diagnosis, and management are lack ing, and clinical outcomes are poorly established. Unmet needs in the field includ e identification of the non-invasive biomarkers, clear understanding of the disease mech anisms, data regarding prevalence, and having uniform approaches to diagno sis and management. This document is the first international consensus based on the available evidence and aims to assist practitioners in their care for the patie nts with FPIES.

This paper treats the solution of the -vector Helmholtz equation for the case of a plane electromagnetic wave at ’nose-on' incidence, on a perfectly-conducting cone of finite size* The solution presented is exact and in the form of an infinite series of spherical harmonics. The expansion coefficients of the series are determined by a set of an infinite number of equations involving an infinite number of unknowns. A discussion and numerical investigation of the field singularities at the tip and edge of the cone are included* as well as graphs of the associated Legendre functions of non-integral degree, P1(cos θ), and their first derivatives

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