The CDC reports that the association between bullying and suicides among teenagers has generated “concern, even panic,” but policies aimed at combatting have received little attention from researchers. Using a difference-in-differences estimation strategy, we find state-level anti-bullying laws (ABLs) reduce victimization, depression, suicidal ideation, with largest estimated effects for female...

the aim of this experiment was to study the effects of hydrochloric and butyric acids addition to broiler diets on performance, carcass characteristics, intestinal microbial population and intestinal histology. two hundred eighty ross 308 one-day old female broiler chicks were assigned to 7 dietary treatments and 4 replicates of 10 chicks in a completely randomized design. experimental treatmen...

INTRODUCTION Diagnosis of diaphragmatic rupture is difficult, and delays could result in a catastrophic outcome. We reviewed our institution's management of patients with diaphragmatic rupture after blunt trauma. METHODS All patients in this study were treated at Tan Tock Seng Hospital, Singapore, from March 2002 to October 2008. Patients with penetrating injuries were excluded. The parameter...

Using spontaneously beating rat myocardial cells as an in vitro model of myocardial depression, recent studies demonstrated that septic shock patients' sera frequently contain a myocardial depressant substance (MDS) that is associated with a reversible decrease in left ventricular ejection fraction (LVEF). To further characterize MDS, 50 consecutive patients with possible septic shock were stud...

From 1995 to 1998, more than 90 percent of mid-range IPOs were charged underwriter fees, or spreads, of exactly seven percent, even though evidence suggests that economies of scale in the size of the offering should allow for lower fees. Chen and Ritter (2000) offer collusion as a possible explanation based on empirical analysis and observation. Alternatively, we investigate whether the spreads...

chronic liver diseases in children is the result of many different diseases including: metabolic, genetic, infectious, toxic and idiopathic causes. this was a case series study on 133 infants and children with age range 6 month to 12 years old, who presented clinically with manifestation of chronic liver disease and were admitted to children hospital medical center from year 1999 to 2000. in th...