Towards harmonisation of testing of nanomaterials for EU regulatory requirements on chemical safety – A proposal for further actions - Eric A.J. Bleeker; Elmer Swart; Hedwig Braakhuis; María Luisa Fernández Cruz; Steffi Friedrichs; Ilse Gosens; Frank Herzberg; Keld Alstrup Jensen; Frank von der Kammer; Jolinde A.B. Kettelarij; Jose María Navas; Kirsten Rasmussen; et al. (Regulatory Toxicology and Pharmacology, 2023)