Ethical issues in clinical trials involving older subjects: the right to participate in clinical trials and have access to care; the protection of vulnerable subjects and the issue of informed consent. Hirsch, Emmanuel; Weil-Dubuc, Paul-Loup. In: Cherubini, Antonio; Bernabei, Roberto; Ferrucci, Luigi; Marchionni, Niccolò; Studenski, Stephanie; Vellas, Bruno. Clinical trials in older adults. Chichester, UK: John Wiley & Sons, Ltd; 2016. p.p.45-59.Book section