the aim of current study was to determine women´s maternal asthma in pregnancy, delivery and birthl outcomes. using a retrospective cohort design, data of 580 pregnant women were gathered form a large teaching hospital in tehran, iran. the medical records of pregnant women who had attended this hospital between 2009 and 2011 were assessed. data of delivery and birth outcomes were gathered by ob...

This paper undertakes a survey of the COVID-19 pandemic literature. I find that stock market performance, policies and energy markets are most researched. reason this is because availability relatively high-frequency time-series data supported by appropriate econometric tools. discuss range socioeconomic- finance-related subjects significant policy importance. In so doing, identify specific bro...

Currently, there is wide-spread recognition that much of health care is insufficiently grounded in evidence as to what works for whom under what circumstances. An important reason for this is that research efforts often do not compare alternative options of health care nor are they sufficiently focused on outcomes that matter to patients. In addition, the methods to conduct research designed to...