Michael L. Chen

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PURPOSE To determine whether women with Turner syndrome who were treated with estrogen were more likely to have osteoporosis and fractures. METHODS Areal bone density at the lumbar spine and femoral neck was measured in 40 adult women with Turner syndrome and 43 age-matched healthy women using dual-energy X-ray absorptiometry. Histories of estrogen(More)
OBJECT Atypical teratoid/rhabdoid tumors (ATRTs) represent a relatively newly categorized neoplastic entity. They commonly present in childhood, and have a rapidly progressive clinical course with a survival time of less than 1 year. Treatment regimens have been nonuniform. In this retrospective review of patients with ATRTs who were treated at the authors'(More)
We document our initial eeorts to instantiate visually-guided cooperative behaviors between robotic agents in the minifactory environment. Minifactory incorporates high-precision 2-DOF robotic agents to perform micron-level precision 4-DOF assembly tasks. Here we utilize two minifactory agents to perform visual ser-voing. We present a detailed description(More)
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