Ian Donald (1910?1987)
نویسنده
چکیده
Ian Donald [3] was an obstetrician who developed ultrasound [4] diagnostics during the twentieth century in Europe. Ultrasound is a medical diagnostic technique that uses sound waves to produce images of the inside of the body. During the early 1900s, physicians had no way to see inside a woman?s uterus [5] during pregnancy [6]. Donald developed the first method of scanning human internal anatomy in real time, which enabled doctors to diagnose potentially fatal tumors and cysts. Donald?s development of ultrasound [4] imaging enabled doctors and midwives to more accurately track fetal development and prevent potential health problems.
منابع مشابه
New synonymies and combinations in Argyrostrotis Hübner (Lepidoptera, Erebidae, Erebinae, Poaphilini)
After examining the type specimens of species in the eastern North American genus Argyrostrotis the number of known species in the genus is reduced from 10 to six through synonymy. A key to species is included along with illustrations of the adults and genitalia of each species. Three Neotropical species currently included in Argyrostrotis (Argyrostrotis eurysaces Schaus, 1914; Argyrostrotis qu...
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