PT - JOURNAL ARTICLE AU - Green, HL TI - Principles of Clinical Measurement AID - 10.1136/jcp.34.8.941-d DP - 1981 Aug 01 TA - Journal of Clinical Pathology PG - 941--941 VI - 34 IP - 8 4099 - http://jcp.bmj.com/content/34/8/941.4.short 4100 - http://jcp.bmj.com/content/34/8/941.4.full SO - J Clin Pathol1981 Aug 01; 34