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7. Practical physics and electronics of ultrasound. Lizzi FL, Feleppa EJ. Int Ophthalmol Clin; 1979 Feb; 19(4):35-63. PubMed ID: 395121 [No Abstract] [Full Text] [Related]
8. The practical uses of diagnostic ultrasound. Tymkiw JR, Otto WF, Goldberg BB. Radiol Technol; 1972 Mar; 43(5):259-69. PubMed ID: 4677633 [No Abstract] [Full Text] [Related]
9. Some instruments and methods used in ultrasonic diagnosis. Gerstner R. Biomed Eng; 1969 Aug; 4(8):369-72. PubMed ID: 5810502 [No Abstract] [Full Text] [Related]
15. [Diagnosis of umbilical twisting around the fetal neck using an ultrasonic device based on the Doppler effect]. Demidov VN, Fuks MA. Vopr Okhr Materin Det; 1978 Jun 19; 23(6):66-9. PubMed ID: 676200 [No Abstract] [Full Text] [Related]