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If maternal expressed emotion is an environmental risk factor for children's antisocial behavior problems, it should account for behavioral differences between siblings growing up in the same family even after genetic influences on children's behavior problems are taken into account. This hypothesis was tested in the Environmental Risk Longitudinal Twin(More)
CONTEXT The study and treatment of psychiatric disorders is made difficult by the fact that patients with identical symptoms often differ markedly in their clinical features and presumably in their etiology. A principal aim of genetic research is to provide new information that can resolve such clinical heterogeneity and that can be incorporated into(More)
Research on child effects has demonstrated that children's difficult and coercive behavior provokes harsh discipline from adults. Using a genetically sensitive design, the authors tested the limits of child effects on adult behavior that ranged from the normative (corporal punishment) to the nonnormative (physical maltreatment). The sample was a 1994-1995(More)
OBJECTIVES Patients with gastrointestinal (GI) risk factors who take non-steroidal anti-inflammatory drugs (NSAIDs) should also take gastroprotective agents (GPAs). No studies have evaluated adherence and reasons for non-adherence to GPA and NSAID therapies. METHODS This was a prospective, multicenter, observational, longitudinal study. Patients attending(More)
In this article, published online 14 February 2012, the fi ft h sentence of the Results section in the Abstract should have read, " Optimal adherence to NSAIDs or GPA was reported by 79.7 % (95 % confi dence interval (CI): 76.982.2 %) and 84.1 % (95 % CI: 81.786.3 %) of patients, respectively. " (Th e values for GPA and those for NSAIDs were transposed.)
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