Nahimana Aimable, Rabodonirina Meja, Francioli Patrick, Bille Jacques, Hauser Philippe M
Hospital Preventive Medicine, University Hospital, 1011 Lausanne, Switzerland.
J Eukaryot Microbiol. 2003;50 Suppl:656-7. doi: 10.1111/j.1550-7408.2003.tb00673.x.