Ozwara Hastings, van der Wel Annemarie, Kocken Clemens H M, Thomas Alan W
Department of Parasitology, Biomedical Primate Research Centre, PO Box 3306, 2280 GH Rijswijk, The Netherlands.
Mol Biochem Parasitol. 2003 Aug 11;130(1):61-4. doi: 10.1016/s0166-6851(03)00141-5.