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10. Doppler ultrasound in the female pelvis and first trimester of pregnancy. Dillon EH; Taylor KJ Clin Diagn Ultrasound; 1990; 26():93-117. PubMed ID: 2182094 [No Abstract] [Full Text] [Related]
11. Ultrasound. An aid in the diagnosis of ectopic pregnancy. Kobayashi M; Hellman LM; Fillisti LP Am J Obstet Gynecol; 1969 Apr; 103(8):1131-40. PubMed ID: 5774690 [No Abstract] [Full Text] [Related]
12. [Examination with ultrasonic technics in gynecology and obstetrics]. Alvarez Bravo A Ginecol Obstet Mex; 1971 Mar; 29(173):233-48. PubMed ID: 5088888 [No Abstract] [Full Text] [Related]