Roughly speaking a news story structure follows 1-2-3-4 steps, that is.

http://erau.instructure.com/eportfolios/70111/Onglyza_Versus_Tradjenta_Medication__Astra_Zeneca__Diabetes
http://ebrschools.instructure.com/eportfolios/6083/Lioresal_Edm_Vs__Novartis__Pain_Management_

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He summed it up thus It is not enough to get the news.