Or you can look at platforms that offer free critiques.

http://jeff-lewisboces.instructure.com/eportfolios/22873/Choriomon_5000_Iu_Dosage__IBSA__Post_Cycle_Therapy
http://beehive.instructure.com/eportfolios/4537/Genotropin_Wp_1000__Pfizer__Human_Growth_Hormone

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Additionally, consider where and how the paper or work will be published or read.