... period.Laboratory analysesBlood hematology and chemistry analyses and urinalysis wereperformed at the Clinical Laboratory of NEMC, Boston, MA.CRP concentrations were determined by enzyme immu-noassay kit ... study of plasma homocyst(e)ine and risk of myocardial infarction in USphysicians. JAMA 1992, 268:877-881.12. Verhoef P, Meleady R, Daly LE, Graham IM, Robinson K, BoersGH: Homocysteine, vitamin ... etiology of such inadequacy. In contrast, vitamin B6 supplementation wasineffective in suppressing inflammatory cytokine production, orreducing ESR, plasma CRP or rheumatoid factor levels in these...