title: More about mouthpieces.
authors.forename: Christof J
authors.initials: CJ
authors.lastname: Schwiening
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D009064:Mouth Protectors; D005082:Physical Exertion / Q000502:physiology*; D011659:Pulmonary Gas Exchange / Q000502:physiology*