Based on different writing style definitions, various authorship attribution schemes have been proposed to identify the real author of a given text or text excerpt. In this article we analyze the relative performance of word types or lemmas assigned to represent styles and texts. As a second objective we compare two authorship attribution approaches, one based on principal component analysis (P...

Helliwell et al wrote an excellent article on the diagnosis and management of polymyalgia rheumatica, but I do question one of their statements that the average fulltime GP would see five new cases of polymyalgia rheumatica (PMR) per year.1 They quote an incidence in the UK of 8.42 per 10 000 person years. In an average size practice of less than 2000 patients per GP, surely this correlates to ...

Pharmacy which is an art and science of preparing and dispensing drugs and Materia Medica gives the names, sources physical characters and chemical properties of herbs or substances used in medicine and their doses have been interwoven connected with medicine from the time immorial. This can be traced back to the findings of ancient Egyptian and Unani Physician like Hippocrates (460-377 B.C) Di...

THIS is the eleventh in a series of monographs dealing with various aspects of radiology. The book is of special interest since Dr. Davidson from Mount Zion Hospit-al, San Francisco, an authority on renal disease, wrote most of the text while on sabbatical leave in London, under the critical eye of his British contemporaries. The radiologic assessment of renal parenchymal disease is discussed o...

This subject was last reviewed at the Chiang Mai Symposium on Protein-Calorie Malnutrition (PCM), which was held in January 1973 and published in 1975 (1). At that time, there had been nearly 20 years of exciting research since Trowell et al. (2) wrote the first comprehensive monograph on kwashiorkor in 1954. This chapter recapitulates what was known about the subject in 1973, brings it up to d...

The second author’s name is spelled incorrectly. The correct name is: Lauren A. Howell. The correct citation is: Korrapati MC, Howell LA, Shaner BE, Megyesi JK, Siskind LJ, et al. (2013) Suramin: A Potential Therapy for Diabetic Nephropathy. PLoS ONE 8(9): e73655. doi:10.1371/journal.pone.0073655 The Author Contributions should read: Conceived and designed the experiments: MCK LJS RGS. Performe...

ABSTRACT Background A low level of cardiorespiratory fitness [CRF; typically defined as peak oxygen uptake (V̇2peak) or power output (PPO)] is a widely reported consequence spinal cord injury (SCI). This systematic review with meta-analysis and meta-regression aimed to assess whether certain SCI characteristics specific exercise considerations are moderators changes ...

Al Cameron, who died recently (October 3, 2005) at 80, was one of the giants in astrophysics. His insights were profound and his interests were wide-ranging. Originally trained as a nuclear physicist, he made major contributions in a number of fields, including nuclear reactions in stars, nucleosynthesis, the abundances of the elements in the Solar System, and the origin of the Solar System and...