Assessment of exposure to airborne endotoxins has been studied for several years, especially in occupational environments, but a large number of procedures are used for sampling and analysis. This lack of standardization makes it very difficult to compare results and set internationally accepted threshold limit values (TLVs) or occupational exposure limits (OELs) for endotoxin exposure. This pa...

<p><em>Lack of self-esteem among students makes them believe that they are not proficient enough or do have the needed skills to succeed academically. The perceived lack seems resulting from observed anti-humanistic teaching and learning system bedevilling all levels classrooms. Literature confirms critical thinking skills, relationship communication which affect their self-esteem. ...

Prior research on social entrepreneurship highlights the role and importance of values in managing change, yet few studies examine processes to achieve change. Through a longitudinal case study organization Barefoot College, we explored how entrepreneur navigated conflicting address issues gender inequality effect We found that engaged values-related work, purposively interpreting enacting valu...

objectives: color change of composite restorations is well known to dentists. however, the effect of commonly consumed drinks on discoloration of composite resins has yet to be determined. this study sought to assess the color change of a nanofilled (premise) and a flowable composite resin (premise flowable) following simulated consumption of tea, cola, iron drops and multivitamin syrup. materi...

dear editor clinical environments encounter is an important part of studying medicine (1). patient contact as an integral part of medical education occurs in various formats in the clinical settings (2, 3). during clinical training, medical students may experience high levels of stress, and some may not deal with it well. the abruptness of students’ transition to the clinical setting generated ...