rosalind franklin tobacco mosaic virus The legacy of E. Franklin: Landmark contributions to two Nobel Prizes What is a virus? –

Science 304 , 14971500 (2004)

Early records of pellagra followed the widespread cultivation of corn in Europe in the 1700s (23)

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US health authorities set target for putting an end to cigarette smoking Changes to laws and public attitudes now see terms such as 'tobacco-free generation' being used Health officials have begun to predict the end of cigarette smoking in the United States

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1 2 3 "African American leadership groups: smoking with the enemy"