temps (durée) (1) tabagisme (1) polychlorobiphényle (1) persistance (1) association (1) exposition (1) âge (1) enfant (1) industrie chimique (1) adulte (1) jeune (1) Children (1) Surveys (1) States (1) Employees (1) Birth (1) Year (1) Women (1) Time (1) Surveys (1) Social groups (1) Smoking (1) Sex ratio (1) Sex (1) Race (1) Questionnaires (1) Polychlorinated biphenyls (1) Plants (1) Persistence (1) Parturition (1)