@book{90894,
	author = {Klem, Margaret Coyne,},
	title = {Prepayment medical care organizations},
	publisher = {Federal security agency, Social security board, Bureau of research and statistics,},
	year = {1944.},
	series = {[United States] Social security board. Bureau of research and statistics. Bureau memorandum},
	address = {Washington, D.C.,},
	edition = {2d ed.}
}