@article{Oppong2006,
author = {Oppong, C.},
title= {Familial roles and social transformations: Older men and women in Sub-Saharan Afric},
year = {2006},
doi = {10.1177/0164027506291744},
journal = {Research on Aging},
volume = {28},
number = {6},
pages = {654--668},
}