[Harmful space and respiratory resistance].
D001980:Bronchi / Q000502:physiology*; D006801:Humans; D009119:Muscle Contraction / Q000502:physiology; D009130:Muscle, Smooth / Q000502:physiology; D012119:Respiration / Q000502:physiology*; D014132:Trachea / Q000502:physiology
Schädlicher Raum und Atemwiderstand.