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The impact factor of scientific journals by broad category
(2003)
In this paper, we firstly describe the history, the calculation, the bibliometric use and the restrictions that must be kept in mind when journals' impact factors (IF) are used as a measure of the quality of research. ...
Seeking the attitudes and perceptions of the Greek primary-care professionals on voluntary work in caring for people with HIV/AIDS
(2003)
Background: During the last two decades Greece has moved towards a national health system. However, in a country with limited economic resources the necessity for reducing the increasing costs of the health care services ...
Aberrant methylation of c-myc and c-fos protooncogenes and p53 tumor suppressor gene in myelodysplastic syndromes and acute non-lymphocytic leukemia
(2003)
Purpose: Aberrant methylation, as an epigenetic phenomenon, may precede and regulate the expression of genes involved in transformation mechanisms that lead to leukemogenesis of hemopoietic cells. The genes involved mostly ...
Perceptions about exercise and intrinsic motivation of students attending a health-related physical education program
(2003)
The present study examined effects of sex, attitude towards physical activity, perceived barriers for participation in physical activity, and students' perception of their parents' participation in physical activity on the ...
Vascularized compared with nonvascularized fibular grafting for the treatment of osteonecrosis of the femoral head
(2003)
Background: We are not aware of any clinical studies in the literature comparing the results of vascularized and non- vascularized fibular grafting for the treatment of osteonecrosis of the femoral head. The purpose of ...
Characteristics of Farm Injuries in Greece
(2003)
Methodology: During a five-year period (1996-2000), 4,326 unintentional farm injuries have been recorded by the Emergency Department Injury Surveillance System in Greece. Data concerning demographic variables, accident ...
Could X-ray microbeams inhibit angioplasty-induced restenosis in the rat carotid artery?
(2003)
Background: Parallel, thin (<100 μm) planes of synchrotron-generated X rays, have been shown to spare normal tissues and preferentially damage tumors in animal models. The aim of the present study was to assess the effect ...
Serum laminin and collagen IV in inflammatory bowel disease
(2003)
Background/Aims: Laminin and collagen IV have been proposed as extracellular matrix serum markers. Because fibrosis is a major complication of inflammatory bowel disease, serum concentrations of laminin and collagen IV ...
Determination of the number of water molecules in the proton pathway of bacteriorhodopsin using neutron diffraction data
(2003)
It has been shown that water molecules participate in the proton pathway of bacteriorhodopsin. Large efforts have been made to determine with various biophysical methods the number of water molecules involved. Neutron ...
Pulmonary function and circulating adhesion molecules in patients with diabetes mellitus
(2003)
Background: Lung function in diabetes has been reported in several studies with contradictory results. Diabetes mellitus increases expression of adhesion molecules through hyperglycemia. These molecules play an important ...