title: Hookah, opium and tobacco smoking in relation to oesophageal squamous cell carcinoma.
authors.forename: K
authors.initials: K
authors.lastname: Chaouachi
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D004938:Esophageal Neoplasms / Q000209:etiology*; D006801:Humans; D009892:Opium / Q000009:adverse effects*; D012907:Smoking / Q000009:adverse effects*
chemical_list: D009892:Opium