@book{2431,
	author = {Turnpenny, Peter D. and Ellard, Sian.},
	title = {Emery's elements of medical genetics},
	publisher = {Churchill Livingstone, },
	year = {2007.},
	address = {New York : },
	edition = {13th ed.},
	url = {https://books.google.com.pk/books?id=HBCTPgAACAAJ&dq=Emery%27s+elements+of+medical+genetics+13th+edition&hl=en&sa=X&redir_esc=y}
}