1. Expert evidence and its impact on jurors' decisions in homicide trials involving Battered women

2. The article introduced the legal responsibility and its scope, the historical of conduct standard and the function of expert evidence adducing in judging hospital staff dereliction of duty in USA.

3. The uncontradicted expert evidence in this case is that a specific weight of steel was used for each structure to support the equipment and related platforms, walkways, accessways, handrails and ramps.