background: all recent accident models emphasis on multi causality of accidents. the suggested models emphasized on human roles in accident occurrence. the results of recent decade's studies have shown that the main causes of accidents are human and his/her unsafe acts. nowadays, application of warning signs is an important way to decrease unsafe acts . methods: in this study, the unsafe acts o...

Since 1989, blue-collar foreign workers have been permitted to work in Taiwanese industries. Most blue-collar foreign workers apply for jobs in Taiwan through blue-collar foreign workers' agencies. Because blue-collar foreign workers are not familiar with the language and culture in Taiwan, in occupational accident education and hazard prevention, the agencies play an important role in the coor...

Abortion is a sensitive and contentious issue with religious, moral, cultural, and political dimensions. It is also a public health concern in many parts of the world. More than one-quarter of the world’s people live in countries where the procedure is prohibited or permitted only to save the woman’s life. Yet, regardless of legal status, abortions still occur, and nearly half of them are perfo...

OBJECTIVE Adolescence is a high-risk period for pedestrian injury. It is also a time of heightened susceptibility to peer influence. The aim of this research was to examine the effects of peer influence on the pedestrian road-crossing decisions of adolescents. METHODS Using 10 videos of road-crossing sites, 80 16- to 18-year-olds were asked to make pedestrian road-crossing decisions. Particip...

CONTEXT Although Guatemalan law permits induced abortion only to save a woman's life, many women obtain abortions, often under unsafe conditions and in response to an unintended pregnancy. Recent studies indicate that unsafe abortion is a key factor contributing to maternal morbidity and mortality in the country, but no national data on the incidence of abortion exist. METHODS Surveys of all ...

This paper develops a query language for sequence databases, such as genome databases and text databases. The language, called Sequence Datalog, extends classical Datalog with interpreted function symbols for manipulating sequences. It has both a clear operational and declarative semantics, based on a new notion called the extended active domain of a database. The extended domain contains all t...

Volume 28, Number 4, December 2002 In Latin America and the Caribbean, more than 95% of induced abortions are performed illegally, often in unsafe conditions.*1 Unsafe abortions occur at a higher rate in this region than in any other region in the world: Each year, 30 of every 1,000 women of reproductive age in Latin America and the Caribbean have an unsafe abortion, compared with 27 per 1,000 ...