{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The effect of cod liver oil and of butter fat upon the metabolism of calcium and phosphorous","author_name":"William Curry Martin","thumbnail_url":"https://www.ebooknetworking.net/books/117/848/big117848193X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-117848193X.html\">The effect of cod liver oil and of butter fat upon the metabolism of calcium and phosphorous</a>","width":400,"height":300}