The development of scientific concepts is usually described as a pathway from the realm of concrete life to the abstract principles of science, in a higher level of generalisation.In this paper, we argue that the appropriation of scientific concepts occurs in the return to concrete in a higher level of conceptual development, which means a transiti

Objectives: The aim of this review is to provide updated information on the clinical spectrum, treatment options, and infection prevention strategies for respiratory viral infections (RVIs) in both solid organ (SOT) and hematopoietic stem cell transplant (HSCT) patients.Methods: The MEDLINE and PubMed databases were searched for literature regardin

Previous research has demonstrated the positive associations between outdoor nature contact and stress reduction.However, similar effects of incorporating natural elements into indoor environment (i.e.biophilic design) have been less well studied.We hypothesize that exposure to biophilic indoor environments help people recover from stress and anxie

Abstract Background Spontaneous perforation of the urinary bladder is a rare disease entity.Due to its rarity, it is often hard to diagnose.Case presentation We present a case of a 2-year-old patient who Ducted Vacuum Dust Bags presented with bowel obstruction and renal failure after scheduled correctional vertebroplasty due to congenital kyphosis.

Backlash is a need for proper gear mesh but also a defect if not controlled closely.Few studies have focused on controlling backlash with some mechanical solutions that can be applied.Few other studies have shown interest in estimation of minimum / maximum variable backlash.The operating backlash of meshing gears is affected by many factors among w