@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}
}