|Other Retailer||Price Checked Time||Their Price in NZD||Our Price|
|Amazon UK||yesterday||39.77||$21.68||You save $18.09|
|Amazon US||2 days ago||29.27||$21.68||You save $7.59|
Professor Pam Crawford is Consultant Neurologist and Director of the Special Centre for Epilepsy at York District Hospital. She is also Visiting Professor of Community Neurological Studies at Leeds Metropolitan University. Fiona Marshall is a writer and editor.