Medical research can be divided into two general categories: the evaluation of new treatments for both safety and efficacy in what are termed clinical trials, and all other research that contributes to the development of new treatments.
Medicinsko istraživanje se može podeliti u dve generalne kategorije: evaluacija novih tretmana u pogledu bezbednosti i efikasnosti u kliničkim ispitivanjima, i sva druga istraživanja koja doprinose razvoju novih tretmana.