منابع مشابه
Size isn't everything
I n his second major book, The Descent of Man and Selection in Relation to Sex, Charles Darwin showed that when animals compete for mates, sexual selection can drive many types of evolutionary change (Darwin, 1871). However, he did not notice that this competition continued even after animals had finished mating. Sperm competition was only described a century later when groundbreaking work show...
متن کاملPituitary volume and headache: size is not everything.
BACKGROUND Pituitary tumors are commonly associated with disabling headache. The accepted mechanisms for headache are dural stretch and cavernous sinus invasion. OBJECTIVE To determine if there is a relationship between pituitary tumor size and the report of headache. DESIGN We prospectively studied 63 patients who were initially seen with pituitary tumors. Clinical headache scores, pituita...
متن کاملIs Timing Everything?
Thank you Ben and AmSECT for organizing this conference. And thank you all for showing up on Saturday morning. My objectives for this presentation are to review the current knowledge of time spent below critical thresholds and more specifically the relationship between low oxygen delivery and organ function following cardiopulmonary bypass (CPB). Additionally, we will investigate the time–dose ...
متن کاملSupport is everything
Inadequate support for placement of balloons or stents continues to be a problem in interventional cardiology. We read with interest the report on MotherDaughter-Granddaughter Double Guide Liner Technique for Delivering Stents Past Multiple Extreme Angulations. The authors cleverly describe the use of a 6 French Guide Liner inside an 8 French Guide Liner to cross two difficult to cross saphenou...
متن کاملEverything Is Under Control
This reprint is provided for personal and noncommercial use. For any other use, please send a request Brian Hayes by electronic mail to [email protected].
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ژورنال
عنوان ژورنال: European Journal of Hospital Pharmacy
سال: 2013
ISSN: 2047-9956,2047-9964
DOI: 10.1136/ejhpharm-2013-000361