Smoking and Parkinson disease: Evidence for gene-by-smoking interactions. 

Smoking and Parkinson disease: Evidence for gene-by-smoking interactions. 
Lee PC, Ahmed I, Loriot MA, Mulot C, Paul KC, Bronstein JM, Ritz B, Elbaz A. Neurology. 2018 Feb 13;90(7):e583-e592. doi: 10.1212/WNL.0000000000004953. PMID: 29352099