Robert B. Rutherford

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This study, a retrospective review of 165 patients with myasthenia gravis, compares the course of the disease for patients with onset before 50 and at or after 50. There were no significant differences between age groups for presenting symptoms, but more of the older patients had progressed to severe disease. More of the younger than the older patients were(More)
To determine whether the vasoconstriction in Raynaud's phenomenon is associated with raised concentrations of the endothelium-derived vasoconstrictor endothelin (ET-1), responses to cold pressor testing were examined in 7 subjects with primary Raynaud's phenomenon and in 7 control subjects. Baseline serum ET-1 levels (pg/ml), as measured by(More)
This information is copyright free. Readers are encouraged to copy and share it, but please credit the Center for Effective Collaboration and Practice. This document was produced under grant number H237T60005. The views expressed herein do not necessarily reflect the views of the U.S. Department of Education or any other Federal agency and should not be(More)
While it appears probable that parental expectancies due to early knowledge of the condition of Down's syndrome in infants affects parent-child interactions, little data are available showing how interactions are affected. In an observational, laboratory-based study, we compared verbal and nonverbal interactions between 10 mothers and their Down's syndrome(More)
The effects of sensory extinction procedures on nontargeted self-stimulatory behaviors of two autistic boys were assessed. In Experiment 1, the frequencies of two topographically similar behaviors of one child and two topographically dissimilar behaviors of the other child were examined within a reversal design. Application of sensory extinction for target(More)
In addition to neurologic criteria, some test of cessation of brain blood flow is recommended before diagnosing "brain death." Cerebral arteriography, radionuclide scintigraphy, and contrast computed axial tomography, though reliable, possess significant practical limitations. Analysis of the dimensions and contours of common carotid Doppler velocity(More)