Importance of streptococcal disease (Streptococcus suis, group R) in France Josée VAISSAIRE, C. MARCON, Marylène KOBISCH, Marguerite LE MENEC, R. CARNERO, Micheline LAROCHE and Ginette MIRIAL Ann. Zootech., 34 3 (1985) 372-373 DOI: 10.1051/animres:19850331