Bonhoeffer Jan, Menkes John, Gold Michael S, de Souza-Brito Glacus, Fisher Margaret C, Halsey Neal, Vermeer Patricia
University Children's Hospital, PO Box, 4005 Basle, Switzerland.
Vaccine. 2004 Jan 26;22(5-6):557-62. doi: 10.1016/j.vaccine.2003.09.008.