BMJ 1993;307:1579-82 Abstract Objective-To determine whether the incidence of chronic sinusitis, bronchitis, or bronchiectasis in men with obstructive azoospermia (Young's syndrome) has fallen in men born after 1955 when calomel (mercurous chloride) was removed from teething powders and worm medication in the United Kingdom. Design-A prospective study of aetiological factors in subfertile men w...

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and colleagues reasoned quite convincingly that the liberal use of supplemental oxygen, which is common in the resuscitation of critically ill patients, may be detrimental instead of benefi cial [1]. Th e Surviving Sepsis Campaign guidelines do not give specifi c recommendations about the amount of oxygen to be administered for patients with severe sepsis or septic shock; instead, they advise o...

Copyright and Moral Rights for the articles on this site are retained by the individual authors and/or other copyright owners. For more information on Open Research Online's data policy on reuse of materials please consult the policies page. Biographical notes: Martin Weller is Professor of Educational Technology at the Open University. He chaired the OU's first major elearning course, which at...

Volume 1, The Earth system: physical and chemical dimensions of global environmental change, pp 504–509

This is an introduction to some fundamental ideas of harmonic analysis. It assumes that the reader knows the basics of measure theory and the Lebesgue integral, and knows a little (not much more than the definitions) about Banach and Hilbert spaces. Some of this is reviewed in Section 2.1.

Value pluralism does not imply relativism or subjectivism about values. What it does is allow respect for an at least limited toleration of values with which one may profoundly disagree. Thus a doctor can respect the autonomy of a patient whose values he does not share.

We present an ultra-violet extension of the “simplest little Higgs” model. The model marries the simplest little Higgs at low energies to two copies of the “littlest Higgs” at higher energies. The result is a weakly coupled theory below 100 TeV with a naturally light Higgs. The higher cutoff suppresses the contributions of strongly coupled dynamics to dangerous operators such as those which ind...

Higgsless models offer the possibility of electroweak symmetry breaking without the introduction of any explicit additional Higgs fields in the action within the extra dimensional framework. The various symmetries are broken via the application of appropriately chosen boundary conditions(BC) on the 5D gauge field wavefunctions. The role of the Goldstone bosons is played by the additional scalar...