The Hypertension is divided into two types: primary and secondary. the secondary type, is particularly due to renal and arterial origin and is mostly seen. In children the Secondary hypertension caused by malignancies is rare. This is a case of abdominal rhabdomyosarcoma with malignant hypertension.

Objective The main objective of this survey was to determine the difference between primary and secondary infertility in Morocco and the associated factors among women, who are referred to public and private health centers in Morocco. MaterialsAndMethods In this cross-sectional study, 619 infertile women referring to public and private health centers in Marrakech-Safi region, were selected by s...

retroperitoneal fibrosis (rpf) is a rare condition with an unclear etiology, presenting with the development of aberrant chronic nonspecific fibroinflammatory tissue in the retroperitoneal space, which can result in entrapment and obstruction of the retroperitoneal structures. rpf is a subtype of chronic periaortitis, and can be divided into two types: primary (or idiopathic) and secondary. rpf...

An efficient method is described for the mild and rapid tetrahydropyranylation of alcohols and phenols using a catalytic amount of N-chlorosaccharin (1 mol %) and 3, 4-dihydro-2H-pyran under solvent-free condition at room temperature. Benzylic alcohols and phenols containing electron withdrawing or donating groups in various positions of phenyl ring, cinamyl alcohol, primary, ...

the automatic assignment of protein secondary structure from three dimensional coordinates is an essentialstep in the characterization of protein structure.although, the recognition of secondary structures suchas alpha-helices and beta-sheets seem straightforward, but there are many different definitions, eachregarding different criteria. we have developed a newalgorithm for protein helix assig...