Jerry E Garrett

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North American researchers' perspectives on designing neurosurgical implant studies for Parkinson disease (PD) challenged the custom of holding surgical trials to less stringent evidentiary standards than other clinical studies. Researchers supported placebo surgery-controlled trials. The framework they used to design and evaluate studies both of deep brain(More)
Experiments were carried out to investigate the effects of ovariectomy on gonadotropin-releasing hormone (GnRH) messenger RNA (mRNA), proGnRH and GnRH peptide levels in the hypothalamus of female rats. Intact proestrous female rats and female rats, which had been ovariectomized for 2 weeks, were sacrificed at 9.00 h and the preoptic area (POA) and basal(More)
* Guarantors responsible for the integrity of the work as a whole, from inception to this report. Acknowledgments The authors gratefully acknowledge the many individuals and organizations who contributed to this report. We worked with a remarkable and committed group of people. We specially acknowledge the Minnesota Department of Health for funding this(More)
Traffic safety mandates are typically designed to reduce the harmful externalities of risky behaviors. We consider whether motorcycle helmet laws also reduce a beneficial externality by decreasing the supply of viable organ donors. Our central estimates show that organ donations resulting from fatal motor vehicle accidents increase by 10 percent when states(More)
THE PROBLEM The number of immigrant students with limited English ability , commonly referred to as English Limited Learners (ELLs), being enrolled in school populations throughout the United States, Many content area teachers emphasize that English ability should be a prerequisite for their classes and that English proficiency ought to be a requirement for(More)
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