Intrinsic safety of circuits: effects produced by interconnecting cables/ by 282074 Widginton, D. W., Crossland, D.

Patent foramen ovale closure with the Gore septal occluder: initial UK experience. by Thomson, J, Hildick-Smith, D, Clift, P, Morgan, G, Daniels, M, Henderson, R, Spence, MS, Mahadevan, V, Crossland, D, Ormerod, O