WHO TRS 978_annex3 : Recommendations for the evaluation of animal cell cultures as substrates for the manufacture of biological medicinal products and for the characterization of cell banks Leave a Comment / By florent.maestracci / 2 May 2023 2 May 2023 https://cdn.who.int/media/docs/default-source/biologicals/documents/trs_978_annex_3.pdf?sfvrsn=fe61af77_3&download=true