S. Karthikeyan, K. M. Subramanioum, and A. Ramanathan, “Incidence of Multidrug Resistance Gene 1 3435C/T Single Nucleotide Polymorphism in Patients with Amlodipine Induced Gingival Enlargement – A Case Control Study”, JPFA, vol. 30, no. 3-4, pp. 67–70, Sep. 2018.