H. Checkoway and L. Nelson, Epidemiologic Approaches to the Study of Parkinson??s Disease Etiology, Epidemiology, vol.10, issue.3, pp.327-336, 1999.
DOI : 10.1097/00001648-199905000-00023

D. Monte and D. , The environment and Parkinson's disease: is the nigrostriatal system preferentially targeted by neurotoxins?, The Lancet Neurology, vol.2, issue.9, pp.531-538, 2003.
DOI : 10.1016/S1474-4422(03)00501-5

C. Tanner, Is the cause of Parkinson's disease environmental or hereditary? Evidence from twin studies, Parkinson's disease: advances in neurology, pp.133-142, 2003.

A. Priyadarshi, S. Khuder, E. Schaub, and S. Priyadarshi, Environmental Risk Factors and Parkinson's Disease: A Metaanalysis, Environmental Research, vol.86, issue.2, pp.122-127, 2001.
DOI : 10.1006/enrs.2001.4264

B. Lai, S. Marion, K. Teschke, and J. Tsui, Occupational and environmental risk factors for Parkinson's disease, Parkinsonism & Related Disorders, vol.8, issue.5, pp.297-309, 2002.
DOI : 10.1016/S1353-8020(01)00054-2

M. Behari, A. Srivastava, R. Das, and R. Pandey, Risk factors of Parkinson's disease in Indian patients, Journal of the Neurological Sciences, vol.190, issue.1-2, pp.49-55, 2001.
DOI : 10.1016/S0022-510X(01)00578-0

M. Zorzon, L. Capus, A. Pellegrino, G. Cazzato, and R. Zivadinov, Familial and environmental risk factors in Parkinson's disease: a case-control study in north-east Italy, Acta Neurologica Scandinavica, vol.13, issue.2, pp.77-82, 2002.
DOI : 10.1016/0140-6736(92)90537-D

L. Wechsler, H. Checkoway, G. Franklin, and L. Costa, A pilot study of occupational and environmental risk factors for Parkinson's disease, Neurotoxicology, vol.12, pp.387-392, 1991.

P. Schulte, C. Burnett, M. Boeniger, and J. Johnson, Neurodegenerative diseases: occupational occurrence and potential risk factors, 1982 through 1991., American Journal of Public Health, vol.86, issue.9, pp.1281-1288, 1996.
DOI : 10.2105/AJPH.86.9.1281

URL : http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1380592

P. Fall, M. Fredrikson, O. Axelson, and A. Granérus, Nutritional and occupational factors influencing the risk of Parkinson's disease: A case-control study in southeastern Sweden, Movement Disorders, vol.86, issue.1, pp.28-37, 1999.
DOI : 10.1002/1531-8257(199901)14:1<28::AID-MDS1007>3.0.CO;2-O

J. Tsui, D. Calne, Y. Wang, M. Schulzer, and S. Marion, Occupational risk factors in Parkinson's disease, Can J Public Health, vol.90, pp.334-337, 1999.

K. Kirkey, C. Johnson, B. Rybicki, E. Peterson, G. Kortsha et al., Occupational categories at risk for Parkinson's disease, American Journal of Industrial Medicine, vol.12, issue.6, pp.564-571, 2001.
DOI : 10.1002/ajim.1055

C. Tanner, B. Chen, and W. Wang, Environmental factors and Parkinson's disease: A case-control study in China, Neurology, vol.39, issue.5, pp.660-664, 1989.
DOI : 10.1212/WNL.39.5.660

J. Zayed, S. Ducic, and G. Campanella, ABSTRACT:, Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques, vol.17, issue.03, pp.286-291, 1990.
DOI : 10.1007/BF00279521

W. Rocca, D. Anderson, and F. Meneghini, Occupation, education, and Parkinson's disease: A case-control study in an Italian population, Movement Disorders, vol.18, issue.2, pp.201-206, 1996.
DOI : 10.1002/mds.870110214

A. Seidler, W. Hellenbrand, and B. Robra, Possible environmental, occupational, and other etiologic factors for Parkinson's disease: A case-control study in Germany, Neurology, vol.46, issue.5, pp.1275-1284, 1996.
DOI : 10.1212/WNL.46.5.1275

A. Kuopio, R. Marttila, H. Helenius, and U. Rinne, Environmental risk factors in Parkinson's disease, Movement Disorders, vol.69, issue.6, pp.928-939, 1999.
DOI : 10.1002/1531-8257(199911)14:6<928::AID-MDS1004>3.0.CO;2-Z

C. Taylor, M. Saint-hilaire, and L. Cupples, Environmental, medical, and family history risk factors for Parkinson's disease: A New England-based case control study, American Journal of Medical Genetics, vol.12, issue.6, pp.742-749, 1999.
DOI : 10.1002/(SICI)1096-8628(19991215)88:6<742::AID-AJMG29>3.0.CO;2-#

A. Elbaz, F. Grigoletto, and M. Baldereschi, Familial aggregation of Parkinson's disease: A population-based case-control study in Europe, Neurology, vol.52, issue.9, pp.1876-1882, 1999.
DOI : 10.1212/WNL.52.9.1876

H. Checkoway, K. Powers, T. Smith-weller, G. Franklin, W. Longstreth et al., Parkinson's Disease Risks Associated with Cigarette Smoking, Alcohol Consumption, and Caffeine Intake, American Journal of Epidemiology, vol.155, issue.8, pp.732-738, 2002.
DOI : 10.1093/aje/155.8.732

URL : http://aje.oxfordjournals.org/cgi/content/short/155/8/732

H. Chen, S. Zhang, M. Schwarzschild, M. Herná-n, and A. Ascherio, Physical activity and the risk of Parkinson disease, Neurology, vol.64, issue.4, pp.664-669, 2005.
DOI : 10.1212/01.WNL.0000151960.28687.93

J. Bower, D. Maraganore, S. Mcdonnell, and W. Rocca, Incidence and distribution of parkinsonism in Olmsted County, Minnesota, 1976-1990, Neurology, vol.52, issue.6, pp.1214-1220, 1999.
DOI : 10.1212/WNL.52.6.1214

A. Elbaz, B. Peterson, and P. Yang, Nonfatal Cancer Preceding Parkinson???s Disease: A Case-Control Study, Epidemiology, vol.13, issue.2, pp.157-164, 2002.
DOI : 10.1097/00001648-200203000-00010

L. Melton and . Iii, History of the Rochester Epidemiology Project, Mayo Clinic Proceedings, vol.71, issue.3, pp.266-274, 1996.
DOI : 10.4065/71.3.266

N. Breslow and N. Day, Statistical methods in cancer research The analysis of case-control studies, International Agency for Research on Cancer, 1980.

J. Fleiss, Statistical methods for rates and proportions, 1981.
DOI : 10.1002/0471445428

J. Schlesselman, Case-control studies. Design, conduct, analysis, 1982.

M. Benedetti, J. Bower, and D. Maraganore, Smoking, alcohol, and coffee consumption preceding Parkinson's disease: A case-control study, Neurology, vol.55, issue.9, pp.1350-1358, 2000.
DOI : 10.1212/WNL.55.9.1350

D. Sackett, Bias in analytic research, Journal of Chronic Diseases, vol.32, issue.1-2, pp.51-63, 1979.
DOI : 10.1016/0021-9681(79)90012-2

A. Feinstein, Clinical epidemiology: The architecture of clinical research, Statistics in Medicine, vol.117, issue.11, 1985.
DOI : 10.1002/sim.4780141110

B. Racette, L. Mcgee-minnich, S. Moerlein, J. Mink, T. Videen et al., Welding-related parkinsonism: Clinical features, treatment, and pathophysiology, Neurology, vol.56, issue.1, pp.8-13, 2001.
DOI : 10.1212/WNL.56.1.8

S. Goldman, A. Smith, and K. Comyns, Welding and risk of Parkinson's disease, Neuroepidemiology, vol.23, p.154, 2004.

I. Baldi, A. Cantagrel, and P. Lebailly, Association between Parkinson???s Disease and Exposure to Pesticides in Southwestern France, Neuroepidemiology, vol.22, issue.5, pp.305-310, 2003.
DOI : 10.1159/000071194

J. Gorell, E. Peterson, B. Rybicki, and C. Johnson, Multiple risk factors for Parkinson's disease, Journal of the Neurological Sciences, vol.217, issue.2, pp.169-174, 2004.
DOI : 10.1016/j.jns.2003.09.014

W. Rocca, L. Fratiglioni, L. Bracco, D. Pedone, C. Groppi et al., The use of surrogate respondents to obtain questionnaire data in case-control studies of neurologic diseases, Journal of Chronic Diseases, vol.39, issue.11, pp.907-912, 1986.
DOI : 10.1016/0021-9681(86)90039-1