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Social networks, social support,and mortality among older p..:

, In: The journals of gerontology / the Gerontological Society of America. James E. Birren, ed.-in-chief
Sugisawa, Hidehiro ; Liang, Jersey ; Liu, Xian. (1994)  1 - p. 3-13
Exemplar:  Zentrale:Magazin Zs fb 2317