@book{4967,
	author = {Torabinejad, Mahmoud.},
	title = {Endodontics principles and practice},
	publisher = {SAUNDERS,},
	year = {2009.},
	address = {St. Louis,},
	edition = {4th ed.},
	url = {https://books.google.com.pk/books?id=N8COE4rfvZMC&printsec=frontcover&dq=Endodontics+principles+and+practice&hl=en&sa=X&redir_esc=y#v=onepage&q=Endodontics%20principles%20and%20practice&f=false}
}