Two Hundred Fifty

Known as: 250 
A natural number greater than 249 and less than 251 and the quantity that it denotes.

Topic mentions per year

Topic mentions per year

1935-2018
050001000019352017

Papers overview

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Highly Cited
2000
Highly Cited
2000
The continued increase in the atmospheric concentration of carbon dioxide due to anthropogenic emissions is predicted to lead to… (More)
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Highly Cited
1995
Highly Cited
1995
OBJECTIVE To determine if inadequate approaches to randomized controlled trial design and execution are associated with evidence… (More)
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Highly Cited
1995
Highly Cited
1995
1. We used transcranial magnetic stimulation (TMS) to study the role of plastic changes of the human motor system in the… (More)
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Highly Cited
1991
Highly Cited
1991
The impact of nonrheumatic atrial fibrillation, hypertension, coronary heart disease, and cardiac failure on stroke incidence was… (More)
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Highly Cited
1991
Highly Cited
1991
We have used positron emission tomography (PET), which measures regional cerebral blood flow (rCBF), to demonstrate directly the… (More)
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Highly Cited
1990
Highly Cited
1990
Ultrastructural studies of biopsied cortical tissue from the right frontal lobe of 8 patients with mild to moderate Alzheimer's… (More)
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Highly Cited
1989
Highly Cited
1989
To develop a simple, relatively noninvasive small-animal model of reversible regional cerebral ischemia, we tested various… (More)
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Highly Cited
1986
Highly Cited
1986
To determine the accuracy of echocardiographic left ventricular (LV) dimension and mass measurements for detection and… (More)
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Highly Cited
1986
Highly Cited
1986
Dissociation is a lack of the normal integration of thoughts, feelings, and experiences into the stream of consciousness and… (More)
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Highly Cited
1985
Highly Cited
1985
Two-dimensional spatial linear filters are constrained by general uncertainty relations that limit their attainable information… (More)
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