1. Structure of the vocal fold in normal and disease states. Anatomical and physical studies;Hirano;ASHA Report,1981
2. Phonosurgery. Basic and clinical investigations;Hirano;Otologia Fukuoka,1975
3. Physiology of Voice and speech;Hirano,1979
4. Clinical examination of Voice;Hirano,1981
5. Regulatory mechanism of voice in singing;Hirano,1970