Minute ventilation/carbon dioxide production in chronic heart failure.

"Conflict of interest: P. Agostoni reports non-financial support from Menarini, grants from Daiichi Sankyo and Bayer; non-financial support from Novartis and Boehringer; and grants and non-financial support from Actelion, outside the submitted work.: Conflict of interest: S. Sciomer has nothing to disclose.: Conflict of interest: P. Palermo reports personal fees from Novartis and Malesci, outside the submitted work.: Conflict of interest: M. Contini reports personal fees and non-financial support from Dompé Farmaceutici S.p.A. and personal fees from Novartis, outside the submitted work.: Conflict of interest: B. Pezzuto has nothing to disclose.: Conflict of interest: S. Farina has nothing to disclose.: Conflict of interest: A. Magini has nothing to disclose.: Conflict of interest: F. De Martino has nothing to disclose.: Conflict of interest: D. Magrì has nothing to disclose.: Conflict of interest: S. Paolillo has nothing to disclose.: Conflict of interest: G. Cattadori has nothing to disclose.: Conflict of interest: C. Vignati has nothing to disclose.: Conflict of interest: M. Mapelli has nothing to disclose.: Conflict of interest: A. Apostolo has nothing to disclose.: Conflict of interest: E. Salvioni has nothing to disclose."

"Conflict of interest: P. Agostoni reports non-financial support from Menarini, grants from Daiichi Sankyo and Bayer; non-financial support from Novartis and Boehringer; and grants and non-financial support from Actelion, outside the submitted work."