{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Design of Studies for Medical Research","author_name":"David Machin, Michael J. Campbell","thumbnail_url":"https://www.ebooknetworking.net/books/047/084/big0470844957.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0470844957.html\">The Design of Studies for Medical Research</a>","width":400,"height":300}