1. Measurements of the vocal folds during changes in pitch;Hollien;J Speech Hear Res,1960
2. A theoretical study of the effects of various laryngeal configurations on the acoustics of phonation;Titze;J Voice,1979
3. Vocal fold length in vocal pitch change;Nishizawa,1988
4. Vocal fold strain and vocal pitch in singing: radiographic observations of singers and nonsingers;Sonninen;J Voice,1998
5. The external frame function in the control of pitch, register, and singing mode: radiographic observations of a female singer;Sonninen;J Voice,1999