The use of animals in experiments to make the most effective keyword, because animals are the same human beings so we will try to bring useful life, we will have come to trial.
Using animal models will result as closely as possible because animal like human beings so we will try to take advantage of life, we must bring the animal experiments.
Use of experimental animals will make the most likely because the animals are creatures like human, so that we can experiment to use in daily life we must take the animal experiment.