APA

Islami F., Boffetta P., van Schooten F. J., Strickland P., Phillips D. H., Pourshams A., Fazel-Tabar Malekshah A., Godschalk R., Jafari E., Etemadi A., Abubaker S., Kamangar F., Straif K., Møller H., Schüz J. & Malekzadeh R. (20120823). Exposure to Polycyclic Aromatic Hydrocarbons Among Never Smokers in Golestan Province, Iran, an Area of High Incidence of Esophageal Cancer - a Cross-Sectional Study with Repeated Measurement of Urinary 1-OHPG in Two Seasons. : Frontiers in oncology.

Chicago

Islami Farhad, Boffetta Paolo, van Schooten Frederik J, Strickland Paul, Phillips David H, Pourshams Akram, Fazel-Tabar Malekshah Akbar, Godschalk Roger, Jafari Elham, Etemadi Arash, Abubaker Salahadin, Kamangar Farin, Straif Kurt, Møller Henrik, Schüz Joachim and Malekzadeh Reza. 20120823. Exposure to Polycyclic Aromatic Hydrocarbons Among Never Smokers in Golestan Province, Iran, an Area of High Incidence of Esophageal Cancer - a Cross-Sectional Study with Repeated Measurement of Urinary 1-OHPG in Two Seasons. : Frontiers in oncology.

Harvard

Islami F., Boffetta P., van Schooten F. J., Strickland P., Phillips D. H., Pourshams A., Fazel-Tabar Malekshah A., Godschalk R., Jafari E., Etemadi A., Abubaker S., Kamangar F., Straif K., Møller H., Schüz J. and Malekzadeh R. (20120823). Exposure to Polycyclic Aromatic Hydrocarbons Among Never Smokers in Golestan Province, Iran, an Area of High Incidence of Esophageal Cancer - a Cross-Sectional Study with Repeated Measurement of Urinary 1-OHPG in Two Seasons. : Frontiers in oncology.

MLA

Islami Farhad, Boffetta Paolo, van Schooten Frederik J, Strickland Paul, Phillips David H, Pourshams Akram, Fazel-Tabar Malekshah Akbar, Godschalk Roger, Jafari Elham, Etemadi Arash, Abubaker Salahadin, Kamangar Farin, Straif Kurt, Møller Henrik, Schüz Joachim and Malekzadeh Reza. Exposure to Polycyclic Aromatic Hydrocarbons Among Never Smokers in Golestan Province, Iran, an Area of High Incidence of Esophageal Cancer - a Cross-Sectional Study with Repeated Measurement of Urinary 1-OHPG in Two Seasons. : Frontiers in oncology. 20120823.