Has Plainsong Any Practical Value To-Day

Cerebral Oximetry – Any Value ?

Cerebral oximetry monitoring, used with the intention of optimizing perioperative outcomes, is increasingly being used in the setting of both cardiac and non-cardiac surgery. Cerebral oximetry had its early beginnings in the 1980s with the work of Jöbsis and colleagues. By using multi-wavelength light sources in the near infrared range, these early investigations demonstrated the potential util...

stability and attraction domains of traffic equilibria in day-to-day dynamical system formulation

در این پژوهش مسئله واگذاری ترافیک را از دید سیستم های دینامیکی فرمول بندی می کنیم.فرض کرده ایم که همه فاکتورهای وابسته در طول زمان ثابت باشند و تعادل کاربر را از طریق فرایند منظم روزبه روز پیگیری کنیم.دینامیک ترافیک توسط یک نگاشت بازگشتی نشان داده می شود که تکامل سیستم در طول زمان را نشان می دهد.پایداری تعادل و دامنه جذب را توسط مطالعه ویژگی های توپولوژیکی تکامل سیستم تجزیه و تحلیل می کنیم.پاید...

A moderately elevated day 3 FSH concentration has limited predictive value, especially in younger women.

BACKGROUND A cycle day 3 FSH concentration is a popular screening tool for predicting success in achieving pregnancy after IVF. Difficulties interpreting this test have resulted from lack of consensus in defining an elevated FSH concentration, a change in the assays, and lack of controlling for factors which may confound the association between FSH concentration and pregnancy. METHODS Assessm...

The time has come to promote true day surgery.

does ramadan fasting has any effects on menstrual cycles?

background: during the month of ramadan, millions of muslims abstain from food and drink daily from dawn to sunset and people actually experience repeated cycles of fasting and refeeding. menstruation is a normal physiological process that its regularity is controlled by hypothalamic-pituitary-ovarian axis. etiology of menstrual dysfunction includes weight loss, hypoleptinemia, abnormal eating ...