1. Ultrasonic visualization of living organs and tissues;Howry;Geriatrics,1955
2. Use of ultrasonics in diagnosis of abdominal swellings;Donald;Br Med J,1963
3. Ultrasonic diagnosis in Japan; application for the disease of the thyroid;Yamakawa,1966
4. Ultrasound scanning of the thyroid gland as a new diagnostic approach;Fujimoto;Ultrasonics,1967
5. Preoperative approach to thyroid tumours by a two-dimensional pulsed echotechnique;Damascelli;Ultrasonics,1968