Blood and blood components may be used for research purposes, whether or not they have been collected by the Etablissement Français du Sang. In this case, the research is carried out using samples taken either for medical purposes or as part of research involving the human body. In all cases, the principles mentioned in Articles L. 1221-3, L. 1221-4 and L. 1221-6 are applicable, without prejudice to the provisions of Title II of Book I of this Part relating to research involving the human person.