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https://doi.org/10.1007/978-1-4612-6254-1Frauenheilkunde; Geburtshilfe; Gynecology; Obstetrics; Ultraschalldiagnostik; diagnosis; sonography; ultras
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principles of ultrasonography,o propagate. The highest frequency audible to the human ear is 20,000 cycles per second or 20 kiloHertz (KHz). Sound waves above this frequency are described as ultrasound. Unlike electromagnetic waves, sound cannot travel across a vacuum (10).
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Sam N. Hassani M.D.ogists, molecular biologists and biotechnologists to enhance stress tolerance in plants. We therefore, felt very strongly that there is an immediate and urgent need for a textbook on this important topic. This book would be an ideal source of scientific information to the postgraduate students, research workers, 978-90-481-7080-7978-1-4020-4225-6
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Sam N. Hassani M.D.it seems evident that it must be involved in the control of the cytoplasmic calcium concentration, a parameter which, in turn, very delicately controls a variety of intracellular activities (see e.g., Rasmussen, 1970).
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Book 1978ion, and respiratory efforts. The use of ultrasonography for guidance has greatly augmented the safety and utility of amniocentesis. One of the great virtues of diagnostic ultrasound has been its apparent safety. At present energy levels, diagnostic ultrasound appears to be without any injurious eff
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iac pulsation, and respiratory efforts. The use of ultrasonography for guidance has greatly augmented the safety and utility of amniocentesis. One of the great virtues of diagnostic ultrasound has been its apparent safety. At present energy levels, diagnostic ultrasound appears to be without any injurious eff978-1-4612-6256-5978-1-4612-6254-1
结束
发表于 2025-3-23 06:41:59
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