title: A response for a cross-sectional case-control study on Parkinson's disease.
authors.affiliation: a Parkinson's Clinic of Eastern Toronto & Movement Disorders Centre , Scarborough , Canada.
authors.forename: Abdul Qayyum
authors.initials: AQ
authors.lastname: Rana
authors.affiliation: a Parkinson's Clinic of Eastern Toronto & Movement Disorders Centre , Scarborough , Canada.
authors.forename: Abdul Rehman M
authors.initials: AR
authors.lastname: Qureshi
authors.affiliation: a Parkinson's Clinic of Eastern Toronto & Movement Disorders Centre , Scarborough , Canada.
authors.forename: Labiba
authors.initials: L
authors.lastname: Rahman
mesh_terms: D016022:Case-Control Studies; D003430:Cross-Sectional Studies; D003627:Data Interpretation, Statistical; D006801:Humans; D010300:Parkinson Disease / Q000453:epidemiology; D012107:Research Design / Q000592:standards*