Obianime, AW, and II Roberts. 2009. “The Hormonal Effects of Halofantrine Hydrochloride (Halfan), sulfametopyrazine/pyrimethamine (Metakelfin) and sulfadoxine/Pyrimetamine (Fansidar) in Male Guinea Pigs”. Port Harcourt Medical Journal 3 (3). https://doi.org/10.4314/phmedj.v3i3.49257.