TY  - GEN
AU  - Kryger, Meir H
AU  - Dement, William C
AU  - Royh, Thomas
TI  - Principles and Practice of Sleep Medicine
SN  - 0721607977
U1  - 616.8498 
PY  - 2005///
CY  - Philadelphia
PB  - Elsevier
ER  -