Authors' reply to Stevens and McManus

A. D. Shah, E. Herrett, R. Boggon, S. Denaxas, L. Smeeth, T. van Staa, A. Timmis, H. Hemingway
2013 The BMJ (British Medical Journal)  
doi:10.1136/bmj.f3741 pmid:23757750 fatcat:w5hvdadt55h7bfboek3qymu344