BibTex format
@article{Ward:2021:10.1016/S0140-6736(21)02444-2,
author = {Ward, H and Flower, B and Garcia, PJ and Ong, SWX and Altmann, DM and Delaney, B and Smith, N and Elliott, P and Cooke, G},
doi = {10.1016/S0140-6736(21)02444-2},
journal = {The Lancet},
pages = {2057--2059},
title = {Global surveillance, research, and collaboration needed to improve understanding and management of long COVID},
url = {http://dx.doi.org/10.1016/S0140-6736(21)02444-2},
volume = {398},
year = {2021}
}