Separation between amniotic and chorionic membranes is a normal sonographic finding before 14th weeks of gestation.As pregnancy progresses, these membranes fuse and chorionic cavity becomes obliterated.Chorioamniotic membrane separation may occur spontaneously or as a complication of invasive intrauterine procedures.Following invasive fetal interve
ABSTRACT The emergence of severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2), the etiological agent of the 2019 coronavirus disease (COVID-19), has erupted into a global pandemic that has led to tens of millions of infections and hundreds of thousands of deaths worldwide.The development of therapeutics to treat infection or as prophy
This paper proves theoretically that GDOP decreases as the number of satellite increases click here and proposes two recurrence algorithms for calculating the GDOP and positioning solution.These algorithms not only can recursively calculate the GDOP and positioning solution at the same time,but also is very flexible in obtaining the best four read
BackgroundUnderstanding the prognostic impact of percutaneous coronary intervention (PCI) in chronic total occlusion (CTO) is crucial for patient management.Previous studies have primarily been studying prognostic impact of successful versus unsuccessful CTO PCI.This study investigated the prognostic impact of successful and unsuccessful percutaneo