Human beings (14) investigation (13) Urine (13) Blood (13) Detection (13) Sports (12) stéroïde (11) analyse (11) Testosterone (11) Steroids (11) Analysis (11) temps (durée) (10) méthode (10) Time (10) Sports (10) administration (9) puits (9) State, The (9) Political science (9) Management (9) Administrative law (9) Administration of estates (9) Administration (9) Administration (9) Control (8) Values (8) Utilization (8) Methods (7) Mass spectrometry (7) Biochemical markers (7)