The classic model is, you get a bunch of studies where you know that they've been conducted and completed, and then you go and see if they've been published anywhere in the academic literature. So this took all of the trials that had ever been conducted on antidepressants that were approved over a 15-year period by the FDA.
Zbieramy badania, które wiemy, że przeprowadzono i zakończono i sprawdzamy, czy je opublikowano. Wybrano wszystkie badania przeprowadzone przez Ministerstwo Zdrowia na temat leków antydepresyjnych w ciągu 15 lat,