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Prevention of meningococcal disease by group C polysaccharide vaccineImmunologic response of man to group B meningococcal polysaccharide vaccines.Method and apparatus for automated trade transactions processingMethod and apparatus for data verification and position reporting in an automated trade transactions processing systemCircadian blood pressure patterns in ambulatory hypertensive patients: effects of age.Bacterial Meningitis in the ElderlyThe circadian blood pressure pattern in ambulatory normal subjectsImmunological response of man to group B. meningococcal polysaccharide vaccines. J Infect DisImmunosuppression by sex steroid hormones. The effect upon PHA- and PPD-stimulated lymphocytesThe impact of routine admission chest x-ray films on patient care.