As Tony Harcup puts it in his Journalism, Principles and Practice The intro is crucial because it sets the tone for what follows.

http://learn.canvas.net/eportfolios/12481/Dorzox_Eye_Drops_Reviews_Consumer_Reports__Cipla__Eye_Care
http://csupalliativecare.instructure.com/eportfolios/29645/Hisone_5_Mg_Yarn__Samarth__Acne_

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Insider Carmel embarrassed LN in battle of state powers.