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Hand washing is the most effective way to prevent the spread of communicable disease. The purpose of this double-blind, placebo-controlled study was to assess whether an alcohol-free, instant hand sanitizer containing surfactants, allantoin, and benzalkonium chloride could reduce illness absenteeism in a population of 769 elementary school children and(More)
UNLABELLED BACKGROUND AND HYPOTHESES: A substantial percentage of school absenteeism among children is related to transmissible infection. Rates of transmission can be reduced by hand washing with soap and water, but such washing occurs infrequently. This study tested whether an alcohol-free instant hand sanitizer (CleanHands) could reduce illness(More)
The effect of trigeminal nerve section on pattern formation in the rat central nervous system was investigated. Nerve section was found to abolish all evidence of afferent segmentation in the brain stem. At thalamic and cortical levels the pattern of afferent segmentation was affected in a time-dependent fashion. The later the procedure is performed, the(More)
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