@article {shiovitz2015social,
	title = {Social network type and health among older Americans},
	journal = {Social capital as a health resource in later life: The relevance of context},
	year = {2015},
	pages = {15{\textendash}31},
	publisher = {Springer},
	author = {Shiovitz-Ezra, Sharon and Litwin, Howard}
}
