@book{27,
	author = {Khurana, Indu},
	title = {Textbook of human physiology for dental students},
	publisher = {Elsevier ,},
	year = {2013 .},
	address = {New Delhi :},
	edition = {2nd. ed},
	url = {https://books.google.com.pk/books?id=acra5Km6iG8C&pg=PP9&dq=Textbook+of+Human+Physiology+for+Dental+Students+/&hl=en&sa=X&ved=2ahUKEwiWoLnsk4v1AhVMLewKHYJ7B9YQ6AF6BAgFEAI#v=onepage&q=Textbook%20of%20Human%20Physiology%20for%20Dental%20Students%20%2F&f=false}
}