Molyneux, AJ; Kerr, R; Langham, J; Lindsay, K; (2005) Applicability of coiling for subarachnoid haemorrhage. Lancet, 366 (9501). p. 1924. ISSN 0140-6736 DOI: https://doi.org/10.1016/S0140-6736(05)67783-5 Full text not available from this repository.

Langham, J; Goldfrad, C; Teasdale, G; Shaw, D; Rowan, K; (2003) Calcium channel blockers for acute traumatic brain injury. The Cochrane database of systematic reviews (4). CD000565. ISSN 1469-493X DOI: https://doi.org/10.1002/14651858.CD000565