Beard, G B Serological grouping of beta-haemolytic streptococci: a comparison of methods. [electronic resource] - Medical laboratory sciences Apr 1982 - 151-5 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0308-3616 Subjects--Topical Terms: Costs and Cost AnalysisEvaluation Studies as TopicReagent Kits, Diagnostic--economicsSerotyping--methodsStreptococcus--classificationTime Factors