Medicine (4) Medicina (4) Bioethics (2) Bioética (2) Vision (1) Terms and phrases (1) Statutes (1) Semantics (1) Science (1) Research (1) Relativity (1) Reasoning (1) Political science (1) Philosophers (1) Nature (1) Natural law (1) Medical ethics (1) Human beings (1) Life (1) Laboratory animals (1) Fertilization (Biology) (1) Ethics (1) Elementary school teachers (1) Consciousness (1) Concepts (1) Books (1) Animals (1) Animal experimentation (1) Ambiguity (1) Women preschool teachers (1)