Sumário:Prolegomena to further studies. Position of the problem. Landmarks : topical references -- Responsiveness -- Article 3º : Learning from a moral tale -- Access to healthcare. Notion of health. From healthcare law to healthcare rights. the specific problema of healthcare access -- Access to healthcare in the Oviedo Convention -- Rationing in healthcare -- Responsiveness in healthcare. Theories of responsiveness. Projection : responsiveness in healthcare services (the WHO model).