Merry Christmas to all from snowy Italy.
Is it true for you (as I heard) that efficacy of screening programmes has to
be evaluated by RCTs because of too serious risk of bias of any other
Could you cite articles about it?
dr. Federico Barbani
Health Service Purchasing Unit
Health Authority Modena
via San Giovanni del Cantone 23
41100 MODENA, Italy
tel 059/435813 - 435731