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. 2019 Dec 10;9(12):e027039. doi: 10.1136/bmjopen-2018-027039

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© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Network graph showing directed connections that conduct clinical-technical knowledge and influence. Square=CT 4-7 grades (registrar), Circles=CT 1–3 (seniorhouse officer), Diamonds=FY 1–2 (house officer).