@article {doi:10.1093/geronb/gby013,
	title = {Age and Gender Differences in Social Network Composition and Social Support Among Older Rural South Africans: Findings From the HAALSI Study},
	journal = {The Journals of Gerontology: Series B},
	year = {2018},
	pages = {gby013},
	doi = {10.1093/geronb/gby013},
	url = {http://dx.doi.org/10.1093/geronb/gby013},
	author = {Harling, Guy and Morris, Katherine Ann and Manderson, Lenore and Perkins, Jessica M and Berkman, Lisa F}
}
