F B Gibberd, N G Page, K M Spencer, E Kinnear, J B Hawksworth
Gibberd F B, Page N G, Spencer K M, Kinnear E, Hawksworth J B.
Controlled trial of physiotherapy and occupational therapy for Parkinson's disease.
Br Med J (Clin Res Ed) 1981; 282 :1196
doi:10.1136/bmj.282.6271.1196