Editorial policy regarding the citation of preprints in the British Journal of Pharmacology (BJP). (30th July 2021) - George, Christopher H.; Alexander, Stephen P. H.; Cirino, Giuseppe; Insel, Paul A.; Izzo, Angelo A.; Ji, Yong; Kendall, David A.; Panettieri, Reynold A.; Patel, Hemal H.; Sobey, Christopher G.; Stanford, S. Clare; Stefanska, Barbara; et al.