@book{2137,
	author = {MacGregor, Anne. and Frith, Alison. (Editor)},
	title = {ABC of headache },
	publisher = {Wiley-Blackwell Pub ,},
	year = {2009 .},
	address = {Oxford ;},
	url = {https://books.google.com.pk/books?id=JRGo5QXc84sC&printsec=frontcover&dq=ABC+of+headache&hl=en&sa=X&redir_esc=y#v=onepage&q=ABC%20of%20headache&f=false}
}