References
- Goldberg AM, Shidema FE (1967): The negative inotropic action of ephedrine and its modification by various agents. Pharmacol Exp Therap 157(1): 49–53.
- Guantai AN (1982): Catha Edulis (Vahl) Forsk, Miraa, occur-rence, active constituents and pharmacological activity. MSc. Thesis, University of Nairobi, Kenya.
- Guantai AN (1990): Chemotherapy of malaria with special reference to drug interactions with chloroquine and herbal management of malaria in Kenya. Ph.D Thesis, Univer-sity of Nairobi, Kenya.
- Jeremic D, Jovic A, Behbud A, Stefanovic M (1973): Isola-tion of a potent anti-tumor agent arteanuin B from Artemisia annua. Tetrahedron Lett 32: 3039–3042.
- Klayman DL, Lin J, Acton N, Scovill JP, Hoch JM, Milhous WK, Theoharides AD (1984): Isolation of artemisinin (Quinghaousu) from Artemisia annua growing in the United States. J Nat Prod 47: 715–717.
- Ojewole JAO, Odesina SK (1983): Mechanism of the hypotensive effect of scopoletin isolated from the fruits of Tetrapleura etraptra. Planta Med 49: 46–50.
- Stahl E (1967): Dunnschicht Chromatographic p. 817. Springer, Berlin 2nd edn.
- Trendelenburg U, Alongo G, Del la Sierra, Muskus A (1967): Modification by reserpine of the response of the atrial pace-maker to sympathomimetic amines. J Pharmacol Exp Ther 141: 301–309.
- Watt JM, Breyer-Brandwijk (1962): The Medicinal and Poi-sonous Plants of Southern and Eastern Africa. Second Edition. E & S Livingstone Ltd, Edinburgh and London, 514 pp.
- Yamahara J, Kobayashi G, Matsuda H, Katayama T, Fujimura H (1989): The effect of scoparone, a coumarin derivative isolated from the Chinese crude drug Artemisia capillaris Flos on the heart. Chem Pharm Bull 37: 1297–1299.