Frasch, Carl E Recent developments in Neisseria meningitidis group A conjugate vaccines. [electronic resource] - Expert opinion on biological therapy Feb 2005 - 273-80 p. digital Publication Type: Journal Article; Review ISSN: 1744-7682 Standard No.: 10.1517/14712598.5.2.273 doi Subjects--Topical Terms: AnimalsHumansMeningitis, Meningococcal--epidemiologyMeningococcal Vaccines--chemical synthesisNeisseria meningitidis, Serogroup ATechnology, Pharmaceutical--trendsVaccines, Conjugate--chemistry