Macnair, A; Love, SB; Murray, ML; Gilbert, DC; Parmar, MKB; Denwood, T; Carpenter, J; ... Cafferty, FH; + view all Macnair, A; Love, SB; Murray, ML; Gilbert, DC; Parmar, MKB; Denwood, T; Carpenter, J; Sydes, MR; Langley, RE; Cafferty, FH; - view fewer (2021) Accessing routinely collected health data to improve clinical trials: recent experience of access. Trials , 22 , Article 340. 10.1186/s13063-021-05295-5.