Sanders, R. C. (1985). The Principles and Practice of Ultrasonography in Obstetrics and Gynecology.
Chicago-viite (17. p.)Sanders, Roger C. The Principles and Practice of Ultrasonography in Obstetrics and Gynecology. 1985.
MLA-viite (9. p.)Sanders, Roger C. The Principles and Practice of Ultrasonography in Obstetrics and Gynecology. 1985.
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