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

What is 2.3,24/5,2.6 form least to grea
Fernando es un muchacho cómico. Es muy__________
Which of the following is NOT a step one can take to prevent food borne illnesses? a. cooking foods to an appropriate temperature b. refrigerating food within
Which function does the sympathetic nervous system affect
Dylan has 20 footballs he gives ten to his friends what is the fraction
A cup of coffee is considered a... A) Solute B) Solvent C) Precipitate D) Solution
the distance from marlys house to the library is 3/8 mile. the distance from marlys house to the school is 4/5 mile.how far is it from the library to marlys sch
Define Bernoulli's principle
complete the sentence. conflict is _____. any difference between characters any opposition between characters or forces any agreement between characters or forc
The grocery store charges $0.89 a pound for unsalted peanuts. If y represents the total cost and x represents the number of pounds, which is the function rule t