Association between tobacco substance usage and a missense mutation in the tumor suppressor gene P53 in the Saudi Arabian population. oleh Mikhlid H Almutairi, Bader O Almutairi, Turki M Alrubie, Sultan N Alharbi, Narasimha R Parine, Abdulwahed F Alrefaei, Ibrahim Aldeailej, Abdullah Alamri, Abdelhabib Semlali