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jacqui/gist:91500

Created April 7, 2009 22:24
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gistfile1.rb
drugs_dispensed_last_time = Hash.new
previous_art_drug_orders.collect{|drug_order|
drugs_dispensed_last_time[drug_order.drug] = true
}
drugs_dispensed_last_time = drugs_dispensed_last_time.keys
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