1.
Sleep Medicine in Clinical Practice
by Kelly, Laurie, Krahn, Lois,...
ISBN: 9781842141908
List Price: $129.95
2.
Sleep Medicine in Clinical Practice
by Silber, Michael H., Krahn, ...
ISBN: 9781616310042
List Price: $200.00
3.
Atlas of Sleep and Sleep Medicine
by Krahn, Lois E., Morgenthale...
ISBN: 9780415450089
List Price: $199.95