منابع مشابه
Eukaryotes first: how could that be?
In the half century since the formulation of the prokaryote : eukaryote dichotomy, many authors have proposed that the former evolved from something resembling the latter, in defiance of common (and possibly common sense) views. In such 'eukaryotes first' (EF) scenarios, the last universal common ancestor is imagined to have possessed significantly many of the complex characteristics of contemp...
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We report 2 cases of megacolon associated with cerebrovascular accident and neuropsychiatric drug consumption. Case report 1: a 75-year-old woman with diabetes mellitus, hypertension, tachycardia with atrial fibrillation, bilateral pleural effusions and previous cerebral hemorrhage was admitted in our hospital. She presented clouded sensorium and abdominal distension, with closed alvus. The CT ...
متن کاملExtinction tsunami can be avoided.
In many senses, the recent publication in PNAS by Ceballos et al. (1) on population losses and declines in vertebrates can be traced back to efforts early in the 20th century led by the American Committee for International Wildlife Protection to document the extinction phenomenon (2–4). The focus at the time was very much on individual species, not on extinction rates, and certainly not on prec...
متن کاملHyperhomocysteinemia: could the post-methionine oral loading test sometimes be avoided?
BACKGROUND AND OBJECTIVES Measurement of homocysteinemia, a risk factor for venous and arterial thrombosis, is carried out in patients fasting for 12 hours and after an oral methionine load (PML). The procedure is time-consuming and several of the patients suffer from nausea and malaise. We wondered whether methionine loading could sometimes be avoided by considering fasting homocysteinemia (tH...
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ژورنال
عنوان ژورنال: MGIMO Review of International Relations
سال: 2011
ISSN: 2541-9099,2071-8160
DOI: 10.24833/2071-8160-2011-3-18-124-133