@book{332513,
	title = {Incidence and Variants of Posterior Arch Defects of the Atlas Vertebra, Sebastian Guenkel, Sladjana Schlaepfer, Sonja Gordic, Guido A. Wanner, Hans-Peter Simmen, and Clément M. L. Werner},
	publisher = {Radiology Research and Practice},
	url = {https://www.hindawi.com/journals/rrp/contents/3/}
}