Volume 26 of 'Progress in Drug Research' contains 10 articles, a subject index for this volume, an alphabetic subject index for volumes 1-26, and an author and subject index for all the volumes which have so far been published. The contributions of volume 26 cover a wide field of drug research and therapy, and some are directed towards tropical deseases. As in previous volumes, the authors have also tried not only to summa- rise the current status...