“…Since the first publication by Spuhler and Zollinger (32) there has, however, appeared a vast number of reports, especially from Switzerland, Denmark and Sweden (see references in 6, 13) on the connection between the increased appearance of diffuse interstitial nephritis with papillary necroses and the growing abuse of analgesics. In recent years similar reports have appeared from Britain (5,9,22,26,29), Germany (24,30), Australia (17,19,23), Canada (11,20,21,27) and USA (10,31). As phenacetin was included in nearly all the compound preparations that were abused, whereas other ingredients varied considerably, phenacetin as the common factor was suspected as, or considered to be, the most important cause of the kidney damage.…”