At least one stabbed and hospital locked down in Scotland.

http://ashridge.instructure.com/eportfolios/2673/Original_Pexep_Cr_25_Mg_Dosage_Calculations_Practice__Intas__Antidepressants
http://csupalliativecare.instructure.com/eportfolios/22736/Collagen_Gbf_Reviews__Fourrts__Gastrointestinal_Tract

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Unsigned articles have been conventional throughout the history of journalism, though less so after the 19th century.