A.M.A. JOINS IN THE EFFORT - Urges Disclosure on Drug Trials
By BARRY MEIER

he nation's largest doctors' group, the American Medical Association, adopted a resolution yesterday that urges the federal government to create a database in which all clinical drug trials performed in this country would be registered at the outset of the trials.
The A.M.A. said it was taking the action because of concerns that drug industry sponsorship of such tests was affecting quality and because companies, as well as medical journals, tend to spotlight tests with positive findings, compared with those .