BibTex format
@article{Stephenson:2021:10.1136/bmjopen-2021-052838,
author = {Stephenson, T and Shafran, R and De, Stavola B and Rojas, N and Aiano, F and Amin-Chowdhury, Z and McOwat, K and Simmons, R and Zavala, M and Consortium, C and Ladhani, SN},
doi = {10.1136/bmjopen-2021-052838},
journal = {BMJ Open},
pages = {1--5},
title = {Long COVID and the mental and physical health of children and young people: national matched cohort study protocol (the CLoCk study)},
url = {http://dx.doi.org/10.1136/bmjopen-2021-052838},
volume = {11},
year = {2021}
}