preparations and to perform a variety of translational studies on botulinum toxins.The fifth manuscript addresses the primary concern that botulinum toxin therapy faced, when it was proposed as a treatment.The sixth manuscript describes the many challenges of developing botulinum toxin drugs, challenges known and challenges unexpected.The seventh manuscript reports work already started with Hans's input.It gives an overview about about currently available botulinum toxin drugs.The eighth manuscript takes us to the Korean botulinum toxin manufacturing cluster, which is now the most prolific one in the world.The ninth and final manuscript documents the use of botulinum toxin in pain treatment, a huge field in medicine and a highly lucrative market for botulinum toxin manufacturers.
Dressler et al. (Wed,) studied this question.