{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Methods in Observational Epidemiology","author_name":"Kelsey, Jennifer L.","thumbnail_url":"https://www.ebooknetworking.net/books/019/508/big0195083776.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0195083776.html\">Methods in Observational Epidemiology</a>","width":400,"height":300}