1. Trött? en rökare lider av ständig syrebrist Publication: [Sweden] : Socialstyrelsens nämnd för hälsoupplysning, 1977 Subject(s): Heart Diseases -- etiologySmoking -- adverse effectsDyspnea -- etiology
2. On the causes of dyspnoea and cardiac failure in high altitudes Author(s): Donaldson, Frank, Jr. author Publication: [Philadelphia?] : [publisher not identified], [1886?] Subject(s): Dyspnea -- etiologyHeart Failure -- etiologyAltitude Sickness
