Chair and Department of General, Gastroenterological and Endocrine Surgery, K. Marcinkowski Medical University in Poznań1 Kierownik: prof. dr hab. M. Drews Chair and Department of General and Endocrine Surgery, K. Marcinkowski Medical University in Poznań2 Kierownik: dr hab. P. Krokowicz Chair and Department of Pediatric Gastroenterology and Metabolic Diseases, K. Marcinkowski Medical Universit...

I have received your letter dated December 1 2000, concerning the rejection of my manuscript which was submitted for publication in .... . I understand that the enclosed reviews are highly unfavorable and as an editor you were left with little choice but to reject the manuscript. I believe that the criticism of the reviewers, which are almost hostile towards the ideas I have advocated, are larg...

Background Over the past few decades diabetes has emerged as an important non-communicable disease in SubSaharan Africa (SSA). Sight loss from Diabetic Retinopathy (DR) can be prevented with screening and early treatment. The objective of this paper is to outline the required actions and considerations in the planning and development of DR screening services.   Methods A multiple-case study app...

objective: diagnosis of vertical root fractures (vrfs) is critical in endodontics. cone beam computed tomography (cbct)  has significantly enhanced image quality compared to digital radiography (dr) and greatly aids the diagnosis of vrfs but, metal artifacts has remained as a problem in vrf detection.  this study evaluated the effect of intra canal posts on the diagnostic accuracy of cbct and d...

in recent decades, increasing advancement in biological sciences brings the need for reliable updated re-sources. scientific research journals facilitate accessibility to comprehensive resources and lay a ground for dis-seminating the latest findings of research projects to achieve constructive experiences and satisfy the scientific community. accordingly, avicenna research institute has publis...

this paper proposes a stochastic framework for demand response (dr) aggregator to procure dr from customers and sell it to purchasers in the wholesale electricity market. the aggregator assigns fixed dr contracts with customers based on three different load reduction strategies. in the presented problem the uncertainty of market price is considered and the risk of aggregator participation is ma...

objective(s):the utilization of molecular techniques in the epidemiology of tuberculosis have provided an opportunity for using effective markers to trace the transmission of the disease .the purpose of this study was to compare the genetic patterns of mycobacterium tuberculosis by three methods of rflp technique. materials and methods: in a cross-sectional and prospective study, 95 strains of ...

The war lingers on, and despite assurances to the contrary from the Nixon Administration, there appear to be few hopes for lasting peace. Precipitous technological advances during the last generation have left the world on the brink of devastation. Geological studies record " many examples of species that have failed to survive because of inadaptability to environmental change, but only Homo Sa...