British Journal of Haemotology
Vol.141, No.1, April 1 2008
Vol.141, No.2, April 11 2008
BMJ
Vol.336, No.7649, 19 April 2008
The Lancet
Vol.371, No.9617, March 22-28, 2008
Vol.371, No.9616, April 5-11, 2008
Journal of Epidemiology
Vol.62, No.5, May 2008
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