De Schilder Janssens

New species and new records of Mesoceration Janssens, 1967 from South Africa (Coleoptera, Hydraenidae).

Mesoceration Janssens, 1967 is the most speciose genus of Prosthetopinae, most of the 44 described species being restricted to South Africa, and almost all occupying the benthic zone of streams and rivers. Here seven species are described as new: Mesoceration caniplenum sp. nov., M. foggoi sp. nov., M. helmei sp. nov., M. hirsutum sp. nov., M. rugulosum sp. nov., M. sewefonteinense sp. nov. and...

Tumefactive Multiple Sclerosis Variants: Report of Two Cases of Schilder and Balo Diseases

A tumefactive lesion of central nervous system (CNS) is defined as a mass-like lesion with a size greater than 2 cm in brain detected by magnetic resonance imaging (MRI). Neuroimaging may help to distinguish the nature of a tumefactive lesion and therefore, can prevent an unnecessary brain biopsy. Here we emphasized on determining the nature of a CNS tumefactive lesions with the help of MRI and...

Multi-output Technical Efficiency for Argentinean Dairy Farms Using Stochastic Production and Stochastic Distance Frontiers with Unbalanced Panel Data

1 Assistant Professor, Dept. of Ag. Economics, Universidad Austral de Chile (UACh), Valdivia, Chile. 2 Boris E. Bravo-Ureta, Executive Director, Office of International Affairs and Professor of Ag. & Resource Economics, University of Connecticut, Storrs, CT, USA. 3 Amilcar Arzubi, Professor of Farm Management, Universidad de Lomas de Zamora, Buenos Aires, Argentina. 4 Ernesto Schilder, Economis...

Vaccination antirougeoleuse: Etude de l'immunité humorale chez les enfants Vaccinés de la région de Tunis

Parasites du sang de divers animaux de la region de Tehran