Author/Authors :
S. Claiborne Johnston، نويسنده , , John D Rootenberg، نويسنده , , Shereen Katrak، نويسنده , , Wade S Smith، نويسنده , , Jacob S Elkins، نويسنده ,
Abstract :
Background
Few attempts have been made to estimate the public return on investment in medical research. The total costs and benefits to society of a clinical trial, the final step in testing an intervention, can be estimated by evaluating the effect of tr