Zoophycos is one of the most complex and enigmatic trace fossils recorded in marine strata from Cambrian to Quaternary worldwide, which is invaluable for the study of Phanerozoic development of organism-environment interactions. Here we address and demonstrate the macroevolution of Phanerozoic Zoophycos by assembling 448 points in constructing the Phanerozoic Zoophycos database based on 291 pap...

background and aims:  myasthenia gravis (mg) is a chronic autoimmune disorder of neuromuscular transmission resulting in muscle weakness. while mg reportedly occurs in all ethnic groups, relative differences in disease prevalence are yet to be determined. the aim of this study was evaluation  of incidance and other disorders with it in kerman province of iran. methods: all patients with mg that...