This troupe of four galaxies, known as Hickson Compact Group 87 (HCG 87), is performing an intricate dance orchestrated by the mutual gravitational forces acting between them. The dance is a slow, gra...
This troupe of four galaxies, known as Hickson Compact Group 87 (HCG 87), is performing an intricate dance orchestrated by the mutual gravitational forces acting between them. The dance is a slow, gra...
The timing patterns of 19 complete performances of the third movement of Beethoven's Piano Sonata op. 31, No. 3, were measured from oscillograms and analyzed statistically. One purpose of the study wa...
Individual pairs of polymer-tethered silver nanoparticles, so-called silver plasmon rulers, enable distance and orientation measurements on the nanoscale. The reduced linear dichroism and the spectrum...
In the age of proteomics, the role of certain amino acid residues and some post-translational modifications in noncovalent complex formation are gaining in importance, as the understanding of interact...
OBJECTIVES: To compare the clinical outcome and cost-effectiveness of doctors and nurses undertaking upper and lower gastrointestinal endoscopy. DESIGN: The study was a pragmatic randomised controlled...
OBJECTIVE: To compare the cost effectiveness of nurses and doctors in performing upper gastrointestinal endoscopy and flexible sigmoidoscopy. DESIGN: As part of a pragmatic randomised trial, the econo...