By Birch I.   in Review of Radical Political Economics

ISSN:0486-6134|34|3|349-351

Elsevier‎(2002)‎

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By Birch I P   Kotre C J   Padgett R   in British Journal of Radiology

ISSN:0007-1285|79|939|239-243

British Institute of Radiology‎(2006)‎

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By Kotre C J   Charlton S   Robson K J   Birch I P   Willis S P   Thornley M   in British Journal of Radiology

ISSN:0007-1285|77|919|597-599

British Institute of Radiology‎(2004)‎

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