1. Abadir, R., Harman, J., and Fahim, M., 1979, Enhancement of ionizing radiation effect on the testes of rats by microwave or ultrasound-induced hyperthermia, J Med., 10(1+2):1–12.
2. Akamatsu, N., 1981, Ultrasound irradiation effects on pre-implantation embryos, Acta Obstet Gynaecol Jpn., 33(7):969–78.
3. Andrew, D. S., 1964, Ultrasonography in pregnancy - an inquiry into its safety, Br J Radiol., 37(435):185-6.
4. Bailey, K. I., O’Brien, W. D., Jr., and Dunn, F., 1981, Ultrasonically induced, in vivo morphological damage in mouse testicular tissue, Arch Androl., 6:301–6.
5. Bailey, K. I.., O’Brien, W. D., Jr., and Dunn, F., 1983, Ultrasonically induced morphological damage to mouse ovaries, Ultrasound Med Biol., 9(1):25–31.