1. 1. Garibaldi RA. Epidemiology of community-acquired respiratory tract infections in adults: incidence, aetiology, and impact. Am J Med 1985; 78: 32–37. 2. Donowitz GR, Mandell GL. Acute pneumonia. In: Mandell GL, Douglas RG, Benett JE, eds. Principles and Practice of Infectious Diseases. 4th Edn. New York, Churchill Livingstone, 1990; pp. 619–637. 3. Marrie TJ. Community-acquired pneumonia. Clin Infect Dis 1994; 18: 501–515. 4. Bartlett JG, Mundy LM. Community-acquired pneumonia. New Engl J Med 1995; 333: 1618–1624. 5. Fang GD, Fine M, Orloff J, et al. New and emerging aetiologies for community-acquired pneumonia with implications for therapy. A prospective multicenter study of 359 cases. Medicine 1990; 69: 307–316. 6. Mayaud C, Parrot A, Houacine S, Denis M, Akoun G. Epidémiologie des germes responsables des infections communautaires des voies respiratoires inférieures. Méd Mal Infect 1992; 2 (Suppl.): 130–139. 7. Woodhead MA, Macfarlane JT, McCracken JS, Rose DH, Finch RG. Prospective study of the aetiology and outcome of pneumonia in the community. Lancet 1987; i: 671–674. 8. Macfarlane JT, Colville A, Guion A, Macfarlane RM, Rose DH. Prospective study of aetiology and outcome of adult lower-respiratory-tract infections in the community. Lancet 1993; 341: 511–514. 9. Francioli P, Moser F. Epidémiologie des pneumonies diagnostiquées en pratique ambulatoire. Rev Méd Suisse Romande 1992; 112: 337–339. 10. Pomilla PV, Brown RB. Outpatient treatment of community-acquired pneumonia in adults. Arch Intern Med 1994; 154: 1793–1802. 11. Klugman KP. Pneumococcal resistance to antibiotics. Clin Microbiol Rev 1990; 3: 171–176. 12. British Thoracic Society Research Committee. Community acquired pneumonia in adults in British hospitals in 1982–1983: a survey of aetiology, mortality, prognostic factors and outcome. Q J Med 1987; 62: 195–200. 13. MacFarlane J, Ward MJ, Finch RG, Macrae AE. Hospital study of adult community requiring pneumonia. Lancet 1982; ii: 255–258. 14. Marrie T, Durant H, Yates L. Community-acquired pneumonia requiring hospitalisation: 5-year prospective study. Rev Infect Dis 1989; 11: 586–599. 15. Dean AG, Dean JA, Burton AH, Dixker RC. Epi Info, Version 5: a word processing, database, and statistics programme for epidemiology on microcomputers. USA, Georgia, Centers for Disease Control-WHO, 1990. 16. Société de Pathologie Infectieuse de Langue Française. Les infections des voies respiratoires. Méd Mal Infect 1991; 21 (Suppl.): 1–8. 17. Convention Nationale destinée à organiser les rapports entre les médecins libéraux et les caisses d'Assurance Maladie. 1994. Avenant n°1, thème n°2:7. 18. British Thoracic Society. Guidelines for the management of community-acquired pneumonia in adults admitted to hospital. Br J Hosp Med 1993; 49: 346–350. 19. Grupo de trabajo de la SEPAR. Normativa sobre diagnostic y tratamiento de las neumonias. Barcelona, Editiones Doyma, 1992. 20. Niederman MS, Bass JB, Campbell GD, et al. Guidelines for the initial management of adults with community-acquired pneumonia: diagnosis, assessment of severity, and initial antimicrobial therapy. Am Rev Respir Dis 1993; 148: 1418–1426. 21. Mandell LA, Niederman MS. The Canadian communityacquired pneumonia consensus group: antimicrobial treatment of community acquired pneumonia in adults: a conference report. Can J Infect Dis 1993; 4: 25–28. 78 H. LAURICHESSE ET AL. 22. Geslin P, Buu-Hoi A, Frémaux A, Acar JF. Antimicrobial resistance in Streptococcus pneumoniae: an epidemiological survey in France, 1970–1990. Clin Infect Dis 1992; 15: 75–98. 23. Weber M, Roussel-Delvallez M, Laurans G, et al. Enquêtes épidémiologiques régionales sur la résistance aux antibiotiques de S. pneumoniae: résultats préliminaires de 6 observatoires régionaux. Méd Mal Infect 1997; 27 (Suppl.): 7–15.