Science
Vol.324, No.5927, 1 May 2009
Health Policy and Planning
Vol.24, No.3, May 2009
Nature Medicine
Vol.15, No.4, April 2009
British Journal of Midwifery
Vol.17, No.5, May 2009
(not online)
The New England Journal of Medicine
Vol.390, No.19, May 7 2009
Nature
Vol.459, No.7243, 7 May 2009
The International Journal of Tuberculosis and Lung Disease
Vol.13, No.5, May 2009
(not online)
Sexually Transmitted Diseases
Vol.36, No.5, May 2009
American Journal of Epidemiology
Vol.169, No.8, April 15 2009
The American Journal of Clinical Nutrition
Vol.89, No.5, May 2009
Vol.89, May 2009, No.5(s)
The Lancet
Vol.373, No.9672, April 18-24 2009
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