Habib, Md Ahsan, et al. “Interactions of DNA With H2TMPyP4+and Ru(II)TMPyP4+: Probable Lead Compounds for African Sleeping Sickness”. Bangladesh Pharmaceutical Journal, vol. 17, no. 1, Feb. 2015, pp. 79-85, doi:10.3329/bpj.v17i1.22321.