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

Many 12-15 year olds have access to the internet which cannot be supervised by an adult. Discuss the problems that this might cause.

-2x-y=-9 5x-2y=18 substitution

a normal window is constructed by adjoining a semicircle to the top of an ordinary rectangular window, (see figure ) The perimeter of the window is 12 feet. wh

If the label says "made with active cultures," are we always getting the benefits of active bacterial cultures? A) Yes, since the yogurt had to be made with liv

(4x-2)*6(2x+7) in standard form

a normal window is constructed by adjoining a semicircle to the top of an ordinary rectangular window, (see figure ) The perimeter of the window is 12 feet. wh

What was one goal of the repeal of Prohibition?

Marcus is doing a science experiment in which he measures the rate at which bacteria multiply. Every 15 seconds, the bacteria double in number. If there are 10

Which sentence has no errors in the use of quotation marks? A. Mr. Thompkins said "boys, can you rake the leaves, too?" B. She told me "you don't know what you'

Which answer corrects the error in capitalization? Every summer we travel to new England to visit my aunt's cottage in Maine. A. Cottage B. maine C. england D.