Haneen Hamed Alsulami; Zeina W. Sharawi; Fawaz Edris. INVESTIGATING THE EFFECT OF CIGARETTE SMOKING ON THE NKX3.1 AND TMPRSS2 GENES ASSOCIATED WITH MALE FERTILITY: Received: 15th January 2024, Revised: 19th January 2024, 26th February 2024, Accepted: 29th February 2024, Date of Publication: 16th October 2024. lijhls 2024, 10, 37-49.