1. Evolving Resistance Patterns ofStreptococcus pneumoniae:A Link with Long-Acting Macrolide Consumption?
2. National Agency for Medicines and the Social Insurance Institution. Finnish statistics on medicines 1995. Helsinki, Finland: National Agency for Medicines and the Social Insurance Institution, 1996.
3. National Agency for Medicines and the Social Insurance Institution. Finnish statistics on medicines 1996. Helsinki, Finland: National Agency for Medicines and the Social Insurance Institution, 1997.
4. World Health Organization Collaborating Center for Drug Statistics Methodology. Anatomical therapeutic chemical (ATC) classification index 1992-1993 [in Finnish]. Jyvaskyla, Finland: National Research and Development Centre for Welfare and Health, 1993.