title: [Descending catarrh and its prevention].
mesh_terms: D005075:Biological Evolution; D001991:Bronchitis / Q000209:etiology / Q000517:prevention & control*; D006801:Humans; D007827:Laryngitis / Q000209:etiology / Q000517:prevention & control*; D009302:Nasopharyngeal Diseases / Q000150:complications* / Q000209:etiology; D009305:Nasopharynx / Q000254:growth & development; D011187:Posture; D012143:Respiratory Physiological Phenomena; D012890:Sleep; D014136:Tracheitis / Q000209:etiology / Q000517:prevention & control*
vernacular_title: Der deszendierende Katarrh und seine Verhütung.