منابع مشابه
50 Million Announced Forty Years Ago 100 Million Mexicans… Only
1% in 2000. Although the objective was far from being reached (the current rate being close to 2%), in 2000 Mexico had 53 million inhabitants fewer than it would have had if fertility had remained at its 1970 level. The population pyramids of 1930, 1970 and 2000 clearly illustrate this dynamics (Figure 2). In 1930 the population was beginning to recover from the aftereffects of the Revolution a...
متن کاملMedicine in Dallas 100 years ago.
From the Department of Internal Medicine, Baylor University Medical Center, Dallas, Texas. Edited version of a video transcript of internal medicine grand rounds, presented at Baylor University Medical Center on April 28, 1998. Corresponding author: John S. Fordtran, MD, Department of Internal Medicine, Baylor University Medical Center, 3500 Gaston Avenue, Dallas, Texas 75246. 184
متن کاملThe Discovery of Renin 100 Years Ago.
In 1898, Tigerstedt and Bergman published their observation that kidney extracts produce pressor effects. They characterized the substance and named it "renin." Although this was the beginning of understanding the role of the kidney in hypertension and the renin-angiotensin system, their discovery lay dormant for nearly 40 years.
متن کاملAppendicitis in Bristol—100 Years Ago
In Volume 4 of the Bristol Med-Chi Journal (1886)1 we find a report of a 13 year old boy who developed abdominal pain in the right iliac fossa. He was anorexic, had vomited and was noted to be pyrexial; examination revealed tenderness localised to the right iliac fossa. Treatment was conservative with turpentine, castor oil and local poultices. When he failed to improve over the next three days...
متن کاملGreat Ormond Street 50 years ago.
I was appointed house physician at The Hospital for Sick Children in 1937. In retrospect I can see that I was there at a very particular time in the hospital's history, because 1937 was to mark the end of an era. A decade or so before, the fame of Great Ormond Street had depended on a generation of physicians of the calibre of Still, Garrod, Batten, and Poynton. But the staffing of the hospital...
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ژورنال
عنوان ژورنال: Nature
سال: 2013
ISSN: 0028-0836,1476-4687
DOI: 10.1038/493484a