1. Psychogenic voice disorders: an interdisciplinary approach to detection, diagnosis and therapy: audio seminars in speech pathology;Aronson,1973
2. Speech and hearing science, anatomy and physiology;Zemlin,1968
3. A study of voice change in boys between the ages of eleven and sixteen;Pedry;Speech Monogr,1945
4. Sequence, tempo, and individual variation in the growth and development of boys and girls aged twelve to sixteen;Tanner;Daedalus,1971
5. Variations in pattern of pubertal changes in girls;Marshall;Arch Dis Child,1969