(Q54144364)
Statements
Longitudinal changes in diary- and laboratory-based sleep measures in healthy "old old" and "young old" subjects: a three-year follow-up. (English)
Dew MA
Reynolds CF 3rd
Kupfer DJ
Hoch CC
Buysse DJ
Nowell PD
Monk TH
Mazumdar S
Borland MD
Miewald J
1 March 1997
20
3
192-202