The feasibility, validity and reliability of the Time Trade-Off (TTO) and Visual Analogue Scale (VAS) methods in obtaining preference values for health states were compared in a random sample of the ...
Membranes in the retina and brain have a high content of DHA, a long-chain n-3 fatty acid derivative of α-linolenic acid. These fatty acids cannot be synthesized by humans and, therefore, it is ...
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