Upon acquirement of pulmonary circulation, the ancestral heart may have been remodelled coincidently with, or accompanied by, the production and rearrangement of progenitor cells. However, the progenitor populations that give rise to the left ventricle (LV) and sinus venosus (SV) are still ambiguous. Here we show that the expression of Secreted frizzled-related protein Sfrp5 in the mouse identi...

Preface Except II is a system that supports several kinds of reasoning ranging from basic deduction and abduction to high-level forms such as diagnosis, connguration, and induction. Its main and characteristic feature that enables this is default reasoning. Default reasoning is an attempt to handle defeasible inferences properly and to provide qualitative, argument-based methods for deciding be...

OBJECTIVES To demonstrate why the 'nil per os except medications' order is contraindicated prior to dysphagia testing and to recommend ways to prevent aspiration of medications in the dysphagic population. METHODS A 71-year-old male deemed at-risk for aspiration due to coughing when drinking thin liquids was made nil per os except medications and referred for dysphagia testing. Swallowing was...

abstract in this research, temporal trends of reference evapotranspiration (et0) values were investigated in arid regions of iran. for this purpose, the meteorological observations collected from 11 high quality meteorological sites for a 41-year period (1965-2005) were used and statistically significant et0 trends in the monthly, seasonal and annual time basis were detected by the non-parametr...