1994c-698 adverseeffects artificial artificialimplants breast breastimplants breastprosthesis communication complications complicationsetséquelles congresses consumereducation engineering environmental general healthriskcommunication implants industrialapplications mammaplasty opinionpublique prosthesesandimplants prothèsesmammaires psychology publicopinion risquespourlasanté silica silicone siloxanes surgery technology toxicologie toxicology women wp910v332s1993