10 this study found a significant mean decrease in psv of 48 cm s in the 60 % to 99 % stenosis group after a contralateral carotid endarterectomy in another study of 85 patients the mean psf significantly decreased by 1175 hz approximately 35 cm s the aim of the present study was to examine the effect of contralateral ica stenosis on carotid ultrasound psv measurements in more detail than the aforementioned studies with specific interest in estimating the magnitude of artificial elevation
Publisher. A+E Networks. On this day in 1913, Henry Ford installs the first moving assembly line for the mass production of an entire automobile. His innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.+E Networks. On this day in 1913, Henry Ford installs the first moving assembly line for the mass production of an entire automobile.
The Rollei Franke & Heidecke company was established in 1920 in Germany, and its cameras became a TLR standard. In 1982, after filing for bankruptcy, Rollei was bought by United Scientific Holding (UK). From 1992 to 1999, Rollei has been a part of the South Korean Samsung Group.he Rollei Franke & Heidecke company was established in 1920 in Germany, and its cameras became a TLR standard. In 1982, after filing for bankruptcy, Rollei was bought by United Scientific Holding (UK). From 1992 to 1999, Rollei has been a part of the South Korean Samsung Group.