objective: standardization of hospital emergency units is a major goal in developed countries to decrease the duration of patients stay in these units. the present study was undertaken to evaluate the prevalence of long-term staying in an emergency ward. methods: in the present 2-month cross-sectional study, patients referring to the emergency ward of imam hossein hospital were assessed. the pa...

2020 Vision: This year has seen the first Early-Career Board, a virtual symposium, launch of Chemistry Europe, next Award winner, and some exciting special collections containing great selection top multidisciplinary research. Editor in Chief Jonathan Faiz outlines news from ChemPlusChem 2020, introduces latest developments for coming year. At beginning when I outlined our plans year, no one co...