Tanne, J. H. (2007). US clinical guidelines often influenced by industry, NEJM says. BMJ Publishing Group Ltd.
استشهاد بنمط شيكاغوTanne, Janice Hopkins. US Clinical Guidelines Often Influenced By Industry, NEJM Says. BMJ Publishing Group Ltd, 2007.
MLA استشهادTanne, Janice Hopkins. US Clinical Guidelines Often Influenced By Industry, NEJM Says. BMJ Publishing Group Ltd, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.