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#Alcaftadine, a new #antihistamine with combined antagonist activity at histamine H1, H2, and H4 #receptors - http://t.co/DUqpHhf3 #ocular
#Alcaftadine, a new #antihistamine with combined antagonist activity at histamine H1, H2, and H4 #receptors - http://t.co/DUqpHhf3 #ocular