Alfred, S., Thompson and Kimberlee 2017. Safety Profile and Effect on Libido of a Combined Bryophyllum pinnatum, Moringa oleifera and Vitamin C Phytotherapeutic Agent. Free Radicals and Antioxidants. 7, 2 (Mar. 2017), 156–159. DOI:https://doi.org/10.5530/fra.2017.2.23.