title: [Studies on the effect of climate cures in Bulgaria on unspecific lung diseases].
mesh_terms: D001249:Asthma / Q000628:therapy; D001991:Bronchitis / Q000628:therapy; D002031:Bulgaria; D002980:Climate; D006294:Health Resorts; D006801:Humans; D008171:Lung Diseases / Q000628:therapy*; D012621:Seasons
vernacular_title: Untersuchungen über die Wirkung der Klimakuren in Bulgarien bei unspezifischen Lungenerkrankungen.