title: Wave 2 of the National Social Life, Health, and Aging Project: an overview.
authors.affiliation: The University of Texas at Austin The University of Iowa.
authors.forename: Mark D
authors.initials: MD
authors.lastname: Hayward
authors.affiliation: The University of Texas at Austin The University of Iowa.
authors.forename: Robert B
authors.initials: RB
authors.lastname: Wallace
mesh_terms: D000368:Aged / Q000523:psychology; D000375:Aging / Q000523:psychology*; D006801:Humans; D007398:Interpersonal Relations; D008137:Longitudinal Studies; D012944:Social Support; D014481:United States / Q000453:epidemiology