General considerations Definition In placenta previa, the placenta is implanted in the lower uterine segment and located over the internal os. It constitutes an obstruction of descent of the presenting part. Main cause of obstetrical hemorrhage Incidence 0.24%-1.57% (our country)
Introduction This chapter describes the general concept of remote file access and reviews the concepts underlying a particular remote access mechanism Because the remote file access mechanism derives many ideas and details from the underlying OS, the chapter reviews the Linux file system and the semantics of file operations
Steps Toward Integration Windowing Operating System -OS/2 Presentation Manager Windows -X-Windows (Sun) Transaction Processing Systems Payroll Services Sales Order Processing Systems Process Control Systems Corporate Accounting Systems