title: Use of general practitioner computerised records to create a population based twin sample: pilot study based on Parkinson's disease.
authors.affiliation: Department of Clinical Neurology, Ipswich Hospital. chrishawkes@msd.com
authors.forename: C H
authors.initials: CH
authors.lastname: Hawkes
authors.forename: A M
authors.initials: AM
authors.lastname: Macdonald
authors.forename: A H
authors.initials: AH
authors.lastname: Schapira
mesh_terms: D004200:Diseases in Twins; D004739:England / Q000453:epidemiology; D005194:Family Practice; D006801:Humans; D016347:Medical Records Systems, Computerized; D010300:Parkinson Disease / Q000453:epidemiology; D010865:Pilot Projects; D015995:Prevalence; D018433:Twin Studies as Topic / Q000379:methods*