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Journal
PLoS One
Volume
7
Issue
3
Pages
e32711
Publication year
2012
Suggested citation
Shakeri R, Kamangar F, Nasrollahzadeh D, Nouraie M, Khademi H, Etemadi A, Islami F, Marjani H, Fahimi S, Sepehr A, Rahmati A, Abnet CC, Dawsey SM, Brennan P, Boffetta P, Malekzadeh R, Majdzadeh R. Is opium a real risk factor for esophageal cancer or just a methodological artifact? Hospital and neighborhood controls in case-control studies. PLoS One. 2012; 7(3): e32711.
DOI
10.1371/journal.pone.0032711
PMID
22396792