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BACKGROUND Frequent short sickness absences result in understaffing and interfere with work processes. We need more knowledge about factors associated with this type of absence. AIMS To investigate associations between the frequency of previous sickness absence and self-reported perceptions of health and work. METHODS Cross-sectional study of female hospital care workers in which health, wo...
the aim of this study was to show the interaction between the society, applicants and medical schools in terms of medical student selection. in this study, the trends to implement social factors in the selection process were highlighted. these social factors were explored through functionalism and conflict theories, each focusing on different categories of social factors. while functionalist th...
Introduction: The impact history of the solar system remains controversial. Early investigation of lunar samples, returned by Apollo astronauts, led to the 'Late Heavy Bombardment' (LHB) concept [1,2] which hypothesized a sharp increase in bolide flux centered around ~3.9 Ga. Evidence for this cataclysm was first derived from whole-rock U-Pb and Rb-Sr ages [2] but subsequently more on 40 Ar-39 ...
Broadband acoustic signals were transmitted during November 1994 from a 75-Hz source suspended near the depth of the sound-channel axis to a 700-m long vertical receiving array approximately 3250 km distant in the eastern North Pacific Ocean. The early part of the arrival pattern consists of raylike wave fronts that are resolvable, identifiable, and stable. The later part of the arrival pattern...
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