<p>There have been significant advances in the use of botulinum toxin (botox) since the first edition of this book. Today, it has become the treatment of first choice in a variety of indications, including in neurology, pediatric medicine, dermatology, urology, and the treatment of pain. In this new edition, the key muscles that can be treated with botox are presented individually. A few muscles, such as the deep muscles of the neck, have been ad...