espèce (3) Species (3) tissu (corporel) (2) recherche (2) métabolisme (2) lipide (2) plomb (2) santé (2) éthique (2) abords (agglomération) (2) Development (2) Prevention (2) Will (2) Swiss (2) Serum (2) Research--Moral and ethical aspects (2) Research (2) Patients (2) Metabolism (2) Human beings (2) Lead (2) Health (2) Ethics (2) Research (2) Will (2) Patients (2) Metabolism (2) Number (2) Health (2) Ethics (2)