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Halogenated hydrocarbons such as trichloroethylene (TCE) are among the most common water supply contaminants in the United States and abroad. Epidemiologic studies have found an association but not a cause-and-effect relation between halogenated hydrocarbon contamination and increased incidence of congenital cardiac malformations or other defective birth(More)
We report our experience with a system that utilizes changes in several biophysical characteristics of cardiac tissue to determine lesion formation and to estimate lesion size both on and off-line in vitro during radio frequency (RF) energy delivery. We analyzed the reactive and resistive components of tissue impedance and tracked the change of phase angle(More)
The prevalence of overweight in adolescents with its associated outcomes continues to be a major public health concern. The purpose of this study was to assess whether adolescents perceived their weight accurately and to determine the relationships among perceived and actual weight, depression, anxiety, anger, disruptive behavior, and self-concept in(More)
BACKGROUND Adolescents with substance-abusing parents need interventions to reduce their risk for a variety of problems. School-based support groups (SBSGs) have been proposed to increase resilience in this population. OBJECTIVE The purpose of this study was to evaluate a SBSG for adolescents with substance-abusing parents. STUDY DESIGN The randomized,(More)
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