APA citiranje

Lewis, M. R., & Kay, D. (2005). Risk of gastrointestinal effects with COX-2 inhibitors and NSAIDs: COX-2 inhibitors were thought of as a safe option. BMJ Publishing Group Ltd.

Citação norma Chicago

Lewis, Michael R., and Diana Kay. Risk of Gastrointestinal Effects With COX-2 Inhibitors and NSAIDs: COX-2 Inhibitors Were Thought of As a Safe Option. BMJ Publishing Group Ltd, 2005.

MLA citiranje

Lewis, Michael R., and Diana Kay. Risk of Gastrointestinal Effects With COX-2 Inhibitors and NSAIDs: COX-2 Inhibitors Were Thought of As a Safe Option. BMJ Publishing Group Ltd, 2005.