honeybug6853 honeybug6853

01-02-2018
Biology

contestada

How many bjork shiley valves have been implanted?

Respuesta :

cohvenant cohvenant

01-02-2018

The valve was co-invented by American engineer Donald Shiley and Swedish heart surgeon Viking Björk. Beginning in 1971, it has been used to replace aortic valves and mitral valves.

Answer Link

Otras preguntas

In this figure, BAE = DEA. Which statement is true by CPCTC?

which foreign policy was the most beneficial to the United States ?

What are the new vertices of quadrilateral DEFG, if the quadrilateral is translated downward one unit? A. D’ = (-5,2), E’ = (-3,6), F’ = (5,2), G’ = (3,-2) B.

What was unique about the way that the Inca were able to expand their empire?

Can someone help me on this midpoint question

The perspective from which a story is told is called the O plot device. O point of view. o main event. summary of the plot. WEES

What tribe is being referenced in this reading selection? Later in the nineteenth century, which tribe, even though it was decimated by disease, joined the Mand

president Lincoln did not include union border states in the emancipation proclamation because he wanted to

a river in northern China that begins in the Kunlun Mountains and winds east about 3000 miles before emptying into the Yellow Sea

1. A welder draws 70 A of current and is run for 2 hours. What is the chargethat has passed through the welder?