“…Determination of agglutinins, precipitins and other serum antibodies, basophil-and mast cell reactions, thrombocyte reactions, lymphocyte-transformation test and radioallergoabsorbent test have been developed to assist intracutaneous and provocation tests (T8, 27,30,31,33), but these methods cannot be adapted to routine use due to their demanding technical performance. The clinical picture is still the most important diagnostic criterium in drug eruptions.…”