title: The needle in a haystack.
authors.affiliation: Department of Cardiothoracic Surgery, Dev. of Thoracic Surgery, Wuerzburg University Hospital, Wuerzburg, Germany walles_t@ukw.de.
authors.forename: Thorsten
authors.initials: T
authors.lastname: Walles
mesh_terms: D006801:Humans; D008175:Lung Neoplasms; D009339:Needles
keywords: Breath analysis; Electronic nose; Lung cancer; Screening