The Relative Influence of Family and Neighborhood Factors on Child Maltreatment at Critical Stages of Child Development by Kathryn Maguire-Jack, Susan Yoon, Yujeong Chang, Sunghyun Hong

“…Economic hardship, maternal substance use, intimate partner violence, and exposure to community violence are found to be related to child abuse risk regardless of developmental stage, while maternal depression and neighborhood informal social control are found to have impacts only within certain child development stages. Findings suggest the need for early intervention and prevention strategies that specifically target economic hardship, poverty, intimate partner violence, and exposure to community violence.…”
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Fenilcetonuria and hyperactivity: results in extremeños children by Virgilio García Aparicio, Florencio Vicente Castro

“…It consists of a persistent deficit pattern that includes lack of attention and / or hyperactivity and impulsivity, and it is present with an inconsistent and non adaptative frequency and severity with regard to the child's  development stage (APA, 2000). Objective: To check that PKU children get significantly higher results than the control group of children for ADHD indicators. …”
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