1. Antibiotic resistance: a view from the pharmaceutical industry;Bax;Clin Infect Dis,1997
2. Update: influenza activity-United States, 1997-98 season;Centers for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep,1997
3. Imported malaria;Commission of the European Communities;Eur Commun Dis Bull,1998
4. Documents using net as disease detector;Cripp;Wired News,1998
5. Towards quality management of medical information on the Internet: evaluation, labelling, and filtering of information;Eysenbach;BMJ,1998