https://ansm.sante.fr/actualites/procedure-pour-la-transmission-a-lansm-des-resultats-de-levaluation-du-risque-de-presence-dimpuretes-nitrosamines-dans-les-medicaments-chimiques-et-les-medicaments-biologiques 2019 false false false France French resource guides nitrosamines drug contamination procedures procedure, nos Drives drug impurity drug, nos risk risk assessment jurisprudence Outcome Assessment, Health Care nitrosamine, nos retrospective audit methods risk