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OBJECTIVE To study the relationship between rs6267 polymorphism of catechol-O-methyltransferase (COMT) gene and attention deficit hyperactivity disorder (ADHD). METHODS One hundred and fourteen children with ADHD and 76 normal volunteers were enrolled. Polymerase chain reaction (PCR) and restriction fragment length polymorphism (RFLP) techniques were used(More)
Intrahepatic foreign bodies are extremely rare before 6 months of age. We reported a case of a 5-month-old boy with a needle-like foreign body in the liver. The foreign body was incidentally found in the right hepatic lobe on the x-ray image. He was asymptomatic, with neither a history of swallowing a needle nor an abdominal cutaneous scar.(More)
OBJECTIVE To study the family rearing pattern of attention deficit hyperactivity disorder (ADHD) with or without anxiety disorder and to explore its risk factors. METHODS 9495 children and their parents were sampled at random in Hunan province, using two-stage investigation. Those who were diagnosed ADHD and the normal control filled out Egna Minnen av(More)
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