Sleep and circadian rhythms in spousally bereaved seniors.
Monk TH, Begley AE, Billy BD, Fletcher ME, Germain A, Mazumdar S, Moul DE, Shear MK, Thompson WK, Zarotney JR.
Monk TH, et al.
Chronobiol Int. 2008 Feb;25(1):83-98. doi: 10.1080/07420520801909320.
Chronobiol Int. 2008.
PMID: 18293151
Free PMC article.