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BMJ Publishing Group, BMJ, may03 2(342), p. d2608-d2608
DOI: 10.1136/bmj.d2608
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Journal article published in 2011 by
H. A. Bischoff-Ferrari,
W. C. Willett,
J. E. Orav,
D. P. Kiel 
,
B. Dawson-Hughes
,
B. Dawson-Hughes
This paper is made freely available by the publisher.
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