title: Healthy elements in Bulgarian spring folk customs.
authors.forename: L
authors.initials: L
authors.lastname: Petrova
mesh_terms: D002031:Bulgaria; D005495:Folklore; D049690:History, Ancient; D049692:History, Early Modern 1451-1600; D049691:History, Medieval; D049711:History, Modern 1601-; D008519:Medicine, Traditional / Q000266:history*