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

NF3 Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. +- CHONSPFBrClIXMore Request Answer Part

How high is a stack of library books in one book is one and 3/8 in high the second book is one and 5/6 in high and the third is 2 1/3 in high explain how you so

May someone help me with these two questions C and E

Because _____ questioned ideas, he was given a poison known as hemlock. Plato Socrates Epicureans Aristotle

What are the domain and range of the function

13/15 is equivalent to 39/ what

Consider the interval between A (-1, - 4) and B (5, 8). 0 10 10 Find the gradient of the interval AB.

Pressure in U.S. customary units is measured in psi (pound per square inch). In SI metric units pressure is measured in Pa (N/m2). Write a user-defined MATLAB f

Which shapes can the composite figure be decomposed into? Check all that apply.

ABC represents a race path. Find the total distance of the race. Round your answer to the nearest meter.