@book{1939,
	author = {Levick, J. R. and Levick, J. R.},
	title = {Cardiovascular physiology :},
	publisher = {Hodder Arnold,},
	year = {2010.},
	address = {London :},
	note = {"Designed as a brand new companion to the ... An introduction to cardiovascular physiology, it can be used in conjunction with this established text or independently of it"--P. [4] of cover.},
	url = {https://books.google.com.pk/books?id=Dy_SBQAAQBAJ&printsec=frontcover&dq=Cardiovascular+physiology+by+j.r.+levick&hl=en&sa=X&ved=2ahUKEwjDsPaotpr1AhUPKuwKHVx6Bu0Q6AF6BAgEEAI#v=onepage&q=Cardiovascular%20physiology%20by%20j.r.%20levick&f=false}
}