PT - JOURNAL ARTICLE AU - A. Cohen TI - Automatic technique for titration of influenza virus haemagglutination inhibitors AID - 10.1136/jcp.19.6.589 DP - 1966 Nov 01 TA - Journal of Clinical Pathology PG - 589--594 VI - 19 IP - 6 4099 - http://jcp.bmj.com/content/19/6/589.short 4100 - http://jcp.bmj.com/content/19/6/589.full SO - J Clin Pathol1966 Nov 01; 19 AB - An automatic method, utilizing the AutoAnalyzer, for titration of influenza virus haemagglutination inhibitors is described. The titres obtained compare favourably with those obtained by densitometric methods. So far, the technique has not proved superior to the densitometric methods in either speed of operation or in reproducibility but various developments are suggested to effect this.