K Talbot. Amyotrophic lateral sclerosis, 2nd edn (J Neurol Neurosurg Psychiatry 2007;78:109). In this book review the acronym TMS was incorrectly expanded to “traumatic masturbatory syndrome”; it should actually be “transcranial magnetic stimulation”. In addition, the first sentence should read:

Amyotrophic lateral sclerosis, through its first edition, has become the standard text for clinicians and researchers in the field of ALS/MND.

The online version has been corrected. We sincerely apologise for these errors introduced on copyediting.