{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Selection Bias and Covariate Imbalances in Randomized Clinical Trials (Statistics in Practice)","author_name":"Vance Berger","thumbnail_url":"https://www.ebooknetworking.net/books/047/086/big0470863625.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0470863625.html\">Selection Bias and Covariate Imbalances in Randomized Clinical Trials (Statistics in Practice)</a>","width":400,"height":300}