Hartwing W. Bauer, Schanaz Alloussi, Günther Egger, Hans-Martin Blümlein, Gabriel Cozma, Claude C. Schulman, en representación del Grupo de Estudio Multicéntrico de ITU.
A long-term multicenter, double blind study of an Escherichia coli extract (OM-89) in female patients with recurrent urinary tract infections.