Colledge, Nicki R Davidson's principles and practice of medicine. (21st ed.) Edited by Nicki R. Colledge, Brian R. Walker [and] Stuart H. Ralston - 21st Ed. - Edinburgh: Churchill Livingstone/Elsevier 2010 - xvi, 1360p.: ill. ISBN: 9780702030857 Subjects--Topical Terms: MEDICINEINTERNAL MEDICINE LC Class. No.: RC 46 Dav