{ "item_title" : "Hearing & Balance Wall Chart", "item_author" : [" Scientific Publishing "], "item_description" : "The Hearing & Balance chart lays out the structure and function of our hearing. An explanation of sound waves, showing the relationship of frequency to intensity, is augmented by a diagram comparing human and animal hearing and voice ranges. Visuals and text portray the structure and action of the mechanisms of balance.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/1/93/561/207/1935612077_b.jpg", "price_data" : { "retail_price" : "14.95", "online_price" : "14.95", "our_price" : "14.95", "club_price" : "14.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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