1. Indications and contraindications for ultrasonic therapy in medicine;Aldes,1957
2. Biologic effects of ultrasound;Baldes;Am. J. Phys. Med.,1958
3. Technique of ultrasonic therapy;Bauer;Brit. J. Phys. Med.,1951
4. Ultrasonography—an aid in orbital tumor diagnosis;Baum;A. M. A. Arch. Ophthal.,1960
5. Some changes in liver tissue which survives irradiation with ultrasound;Bell,1957