honeybug6853 honeybug6853
  • 01-02-2018
  • Biology
contestada

How many bjork shiley valves have been implanted?

Respuesta :

cohvenant
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

How does water get from soil to where it needs to go? How do plants absorb water?
A new amusement-park ride that lasts 1 minute can have up to 3,000 riders per hour. How many riders can ride per minute?
Evaluate p-q for p=11 and q = 8.
Using evidence from the readings, compare and contrast the arguments made by the two historians, and evaluate the appropriateness of the Renaissance as the begi
Farmers cultivate sugar cane and rose by using stem cuttings, But all the cuttings did not grow. Can you suggest a reason why? pls tell fast
All of the following British actions precipitated the American Revolution except A. The Townshend Acts B. The Tea Act C. The Stamp Act D. The Navigation Acts
Which expression correctly represents the product 12(8 + 5) after applying the distributive property? A) (12x14) B) (12x8) + 5 C) 8+(12x5) D) (12 x 8) + (12 x 5
Can someone help me with this problem I really don’t know how to work it out and I’m getting frustrated please help..
What year was the United States constitution in full operation, with its temporary capital in New York
Match each equation on the left to the mathematical property it uses on the right.