منابع مشابه
The Mysterious Origin of Human Immunodeficiency Virus
Perhaps nothing in the health sciences can raise the specter of intense debate more than the origin of the multifarious Human Immunodeficiency Virus (HIV), which has reportedly infected an estimated 40.3 million people since AIDS (Acquired Immune Deficiency Syndrome) was first described clinically in 1981. HIV is the etiological agent historically linked with fear and denial by association with...
متن کاملLeptospirosis: The “mysterious” mimic
Leptospirosis is a potentially fatal bacterial disease that can display a wide array of clinical presentations thus mimicking better-known illnesses. Although, leptospirosis is primarily a zoonotic disease, it frequently inflicts severe illness and death on communities around the globe. A comprehensive overview of the disease in wake of the 2006 outbreaks in India is hereby presented and discus...
متن کاملThe mysterious specific indefinite
When an indefinite newly introduces or reintroduces an accessible referent into the discourse, it is called specific. Thus, in (1a), it can be coreferential with a lion in the previous sentence, which indicates a particular lion in the relevant situation. By contrast, a nonspecific indefinite has no specific referent at all, as is illustrated in (1b), where a lion can be any lion. In that case,...
متن کاملThe Mysterious Whiteboard
This paper raises the question of why electronic whiteboards are not ubiquitous. The paper provides a design-oriented analysis of traditional as well as electronic whiteboards in the context of collaborative and individual activities. We offer a novel perspective on whiteboards for collaborative activity based on a survey of the electronic whiteboard literature, a series of interviews with user...
متن کاملThe ISNT rule and differentiation of normal from glaucomatous eyes.
OBJECTIVE To determine whether the ISNT rule (that normal eyes show a characteristic configuration for disc rim thickness of inferior > or = superior > or = nasal > or = temporal), widely used for clinical evaluation of the optic nerve head, can differentiate normal from glaucomatous eyes. METHODS All subjects underwent complete eye examination, including achromatic automated perimetry, simul...
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ژورنال
عنوان ژورنال: Nature
سال: 1992
ISSN: 0028-0836,1476-4687
DOI: 10.1038/358619a0