1. Judging the movements of vocal cords in laryngeal paralysis;Fex;Acta Oto-laryng., Suppl.,1970
2. Endemic recurrent laryngeal nerve paresis;Fex;Acta Oto-laryng.,1973
3. Laryngostroboscopy in the practice of otolaryngology;Rallen;Arch. Oto-laryng.,1932
4. High speed photography of the larynx and film data processing;Koike;Canad. J. Otol.,1975
5. Sound meter for assessing the intensity of the voice in stroboscopic examinations;Krahulec;Cesk. Otolaryng.,1970