Figure 1.

Traditional 'Sock' Method used in Singapore and Malaysia. (Used with kind permission of A. Cook, Ann Arbor, USA; http://www.flickr.com/photos/38668770@N00/372283340#/photos/amywcook/372283340/ webcite)

Naidoo et al. Nutrition Journal 2011 10:48   doi:10.1186/1475-2891-10-48
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