RT Journal Article SR Electronic T1 ‘Organic’ and ‘non-organic’: a tale of two turnips JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 417 OP 418 DO 10.1136/practneurol-2017-001660 VO 17 IS 5 A1 Stone, Jon A1 Carson, Alan YR 2017 UL http://pn.bmj.com/content/17/5/417.abstract AB