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@article{Authenticus:P-002-E0V,
	title = {{Diagnostic value of patterns of symptoms and signs of heart failure: application of latent class analysis with concomitant variables in a cross-sectional study}},
	author = {M Severo and AR Gaio and P Lourenco and M Alvelos and A Goncalves and N Lunet and P Bettencourt and A Azevedo},
	doi = {10.1136/bmjopen-2012-001510},
	journal = {Bmj Open},
	number = {6},
	pages = {e001510-e001510},
	publisher = {Bmj Publishing Group},
	type = {Article},
	volume = {2},
	year = {2012}
}