Role of the IL8 rs4073 polymorphism in central nervous system toxicity in patients receiving multidrug-resistant tuberculosis treatment by Mohammed Badamasi, Ibrahim, Muhammad, Muktar, Ahmad Umar, Aishat, Misbahu Madugu, Umm-ayman, Ahmed Gadanya, Muktar, Abubakar Aliyu, Isa, Malik Kabir, Imam, Aliyu Umar, Ibrahim, Johnson, Ochigbo, Stanslas, Johnson