1. Lanz TV, Wachsmuth W. Praktische anatomie hals. Berlin: Springer-Verlag; 1955. p. 282.
2. Hirano M. Phonosurgery. Basic and clinical investigations. Otologia (Fukuoka). 1975;21(Suppl. 1):239–60.
3. Hirano M, Sato K. Histological color atlas of the human larynx. San Diego, CA: Singular Publishing Group Inc.; 1993.
4. Subotic R, Vecerina S, Krajina Z, Hirano M, Kurita S. Histological structure of vocal fold lamina propria in foetal larynx. Acta Otolaryngol. 1984;97:403–6.
5. Vecerina-Volic S, Hirano M, Karovic-Krzelj V. Macula flava in the vocal fold of human fetus. Acta Otolaryngol. 1988;105:144–8.