Authors: Cattier, B Lecocq, D Levillain, R Akli, J Borderon, E Cahiez, M Carbonnlle, J Cartron, JC Durieux, E Gavignet, M Graveron, JL Harriau, P Lapointe, A Laudat, P Loulergue, J Secher, A Quentin, R

Citation: B. Cattier et al., The Pneumococcus Observatory of central France. Data collected between June 1, 1997, and May 31, 1998., PATH BIOL, 47(5), 1999, pp. 469-473