APA-viite

Spurgeon, D. (2006). Higher but “safe” level of lead in blood increases risk of death. BMJ Publishing Group Ltd.

Chicago-tyylinen lähdeviittaus

Spurgeon, David. Higher but “safe” Level of Lead in Blood Increases Risk of Death. BMJ Publishing Group Ltd, 2006.

MLA-viite

Spurgeon, David. Higher but “safe” Level of Lead in Blood Increases Risk of Death. BMJ Publishing Group Ltd, 2006.

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