RT Journal A1 Wiener AS T1 BLood grouping tests medicolegal uses. JF Archives of Internal Medicine JO Archives of Internal Medicine YR 1969 FD June 1 VO 123 IS 6 SP 735 OP 735 DO 10.1001/archinte.1969.00300160125034 UL http://dx.doi.org/10.1001/archinte.1969.00300160125034 AB This is a well-written, scientifically reliable book. It deals with one important practical application of blood grouping tests: medicolegal cases of disputed paternity. According to a recent report (J Forensic Med15:106, 1968), it is not uncommon to find errors in blood test reports submitted to courts, with resulting false exclusion of paternity or failure to exclude paternity when it should be. This is due to the easy, false, tacit assumption that any blood bank technician or clinical pathologist is competent to carry out these tests (especially since the required reagents are now so readily available commercially).Actually, nuances in interpretation of findings, and the delicacy of the reactions themselves demand considerable experience and specialized training before an individual becomes qualified to carry out the tests with sufficient reliability for forensic requirements. This small book, with its simple, clear, and accurate presentation of principles of serology and genetics and