Accessing routinely collected health data to improve clinical trials: recent experience of access.

Authors: Macnair A, Love SB, Murray ML et al

All authors: Archie Macnair, Sharon B. Love, Macey L. Murray, Duncan C. Gilbert, Mahesh K. B. Parmar,
Tom Denwood, James Carpenter, Matthew R. Sydes, Ruth E. Langley and Fay H. Cafferty