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Dyfyniad Arddull ChicagoO'Dowd, Adrian. Doha Declaration Has Failed to Deliver Cheap Drugs to Developing Countries, Oxfam Says. BMJ Publishing Group Ltd, 2006.
Dyfyniad MLAO'Dowd, Adrian. Doha Declaration Has Failed to Deliver Cheap Drugs to Developing Countries, Oxfam Says. BMJ Publishing Group Ltd, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.