References

• 1989The Pittsburgh sleep quality index: A new instrument for psychiatric practice and research35,129 cited
• 2009The PRISMA Statement for Reporting Systematic Reviews and Meta-Analyses of Studies That Evaluate Health Care Interventions: Explanation and Elaboration28,094 cited
• 1967The social readjustment rating scale11,119 cited
• 2009The PRISMA Statement for Reporting Systematic Reviews and Meta-Analyses of Studies That Evaluate Health Care Interventions: Explanation and Elaboration10,345 cited
• 1988Social Relationships and Health7,051 cited
• 1994The earth is round (p < .05).3,999 cited
• 2010Social Relationships and Health: A Flashpoint for Health Policy2,636 cited
• 2007Health outcomes of bereavement1,742 cited
• 1992Gender, marital status and the social control of health behavior1,354 cited
• 2006Marital status and mortality in the elderly: A systematic review and meta-analysis664 cited
• 2005Continuity and Change in the Social Stratification of Aging and Health Over the Life Course: Evidence From a Nationally Representative Longitudinal Study From 1986 to 2001/2002 (Americans' Changing Lives Study)406 cited
• 2010The prevention and treatment of complicated grief: A meta-analysis360 cited
• 2001Gender Differences in Adjustment to Bereavement: An Empirical and Theoretical Review342 cited
• 2003The effects of widowhood on physical and mental health, health behaviors, and health outcomes: The Women's Health Initiative.