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Nicholl DJ, Hilton-Jones D, Palace J, Richmond S, Finlayson S, Winer J, et al. (November 2010). "Open letter to prime minister David Cameron and health secretary Andrew Lansley". BMJ. 341: c6466. doi:10.1136/bmj.c6466. PMID21081599. S2CID24929143.
Burns TM, Smith GA, Allen JA, Amato AA, Arnold WD, Barohn R, et al. (February 2016). "Editorial by concerned physicians: Unintended effect of the orphan drug act on the potential cost of 3,4-diaminopyridine". Muscle & Nerve. 53 (2): 165–168. doi:10.1002/mus.25009. PMID26662952. S2CID46855617.
Nicholl DJ, Hilton-Jones D, Palace J, Richmond S, Finlayson S, Winer J, et al. (November 2010). "Open letter to prime minister David Cameron and health secretary Andrew Lansley". BMJ. 341: c6466. doi:10.1136/bmj.c6466. PMID21081599. S2CID24929143.
Burns TM, Smith GA, Allen JA, Amato AA, Arnold WD, Barohn R, et al. (February 2016). "Editorial by concerned physicians: Unintended effect of the orphan drug act on the potential cost of 3,4-diaminopyridine". Muscle & Nerve. 53 (2): 165–168. doi:10.1002/mus.25009. PMID26662952. S2CID46855617.
Nicholl DJ, Hilton-Jones D, Palace J, Richmond S, Finlayson S, Winer J, et al. (November 2010). "Open letter to prime minister David Cameron and health secretary Andrew Lansley". BMJ. 341: c6466. doi:10.1136/bmj.c6466. PMID21081599. S2CID24929143.
Burns TM, Smith GA, Allen JA, Amato AA, Arnold WD, Barohn R, et al. (February 2016). "Editorial by concerned physicians: Unintended effect of the orphan drug act on the potential cost of 3,4-diaminopyridine". Muscle & Nerve. 53 (2): 165–168. doi:10.1002/mus.25009. PMID26662952. S2CID46855617.