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UNLABELLED The highly virulent Francisella tularensis subsp. tularensis has been classified as a category A bioterrorism agent. A live vaccine strain (LVS) has been developed but remains unlicensed in the United States because of an incomplete understanding of its attenuation. Lipopolysaccharide (LPS) modification is a common strategy employed by bacterial(More)
Little systematic information is available concerning the association between adolescent drug usage and other forms of behavior. The present study addressed this issue. Two hundred and thirty-one adolescents completed questionnaires concerning their use of drugs (alcohol, tobacco, pain-killers, marijuana, etc.). Factor analysis of endorsements of a broad(More)
OBJECTIVE The purpose of this study was to formulate a statistical model that relates human microflora to probabilities for vaginal colonization by group B Streptococcus (GBS). METHODS Longitudinal observations of total bacterial concentrations at various times during the menstrual cycle were obtained from overtly healthy, non-pregnant, menarcheal women.(More)
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