@book{2607,
	author = {Klippel, John H. (Editor)},
	title = {Primer on the Rheumatic Diseases /},
	publisher = {Springer ,},
	year = {2008 .},
	address = {New York :},
	edition = {13th ed.},
	url = {https://books.google.com.pk/books?id=3zM9yCy8uqUC&printsec=frontcover&dq=Primer+on+the+rheumatic+diseases&hl=en&sa=X&redir_esc=y#v=onepage&q=Primer%20on%20the%20rheumatic%20diseases&f=false}
}