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

What does 'we are all Treaty people' mean?

Two parallel lines are cut by a transversal as shown below. Solve for B. Then explain your reasoning 56 56 What is the solution when solved for b, and why? A -

The Y intercept of the line F is?

2. Solutions of lead(II) nitrate and potassium iodide were combined in a test tube. The results of this reaction are shown below. a. Write a formula equation fo

Given all that you've learned about this topic, please write an opinion paragraph covering which approach by the presidents was most effective at helping end th

PART B: Which of the following best identifies the central idea of the text? Justice in the supreme court

What part of this transverse wave is the green arrow identifying? Help plz

What number 28 please help no filesss

How many adults are needed if there are 72 children? Circle your answer on the double number line. number of adults-2,4,6,8 number of children 24,48,72,96

1. Nitrogen and hydrogen gases are mixed in a closed 3500 mL flask. They react to form ammonia gas. At equilibrium, the mixture contains 0.25 mol of ammonia gas