Here is the CMT Uptime check phrase
PUBLICATIONS

Longitudinal Patterns of Negative Relationship Quality Across Adulthood

Birditt, Kira S; Antonucci, Toni C; Jackey, L. (2009). Longitudinal Patterns of Negative Relationship Quality Across Adulthood. The Journals of Gerontology. 64B(1), 55-64.