Ensembl 2021. - Kevin L. Howe; Premanand Achuthan; James E. Allen; Jamie Allen; Jorge Álvarez-Jarreta; M. Ridwan Amode; Irina M. Armean; Andrey G. Azov; Ruth Bennett; Jyothish Bhai; Konstantinos Billis; Sanjay Boddu; et al. (Nucleic Acids Res., 2021)