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. 2017 Aug 11;7(8):e016094. doi: 10.1136/bmjopen-2017-016094

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© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

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(A–D) Age distribution of the Tiwi population at four time-points, by sex, 1971–2011. Note: The figure presents population pyramids and total population for 1971 (A), 1986 (B), 1996 (C) and 2011 (D). Sources: (A) cited in Peterson, 1988¹⁸; (B–D) census data, Australian Bureau of Statistics (Catalogues: 1987, #2460.0; 2000, #70609; 2012,#2002.0).¹⁷