Can anyone tell me if electronic BP machines need calibrating.... this is something that is causing some debate within our office.... Thank you Lyndsey --------------------------------- To help you stay safe and secure online, we've developed the all new Yahoo! Security Centre. ~~~~~~~~~~~~~~~ Please remove this footer before replying. For list archives and documents, go to http://www.jiscmail.ac.uk/lists/occ-health.html For jobs in Occupational Health, go to http://uk.groups.yahoo.com/group/OHJobs/