background: timing of the first zygotic cleavage is an accurate predictor of embryo quality. embryos that cleaved early (ec) have been shown to exhibit higher developmental viability compared to those that cleaved at a later period (lc). however, the viability of ec embryos in comparison to lc embryos after vitrification is unknown. the present study aims to investigate the post-vitrification d...

today, south korea has become a successful pattern for less- developed countries. this article attempts to explain its successful experience in economic development in the framework of pattern of non-democratic developmental state. in this pattern developed by adrian leftwich, the main focus is on political-sociological context affecting economic development. the main characteristics of develop...