{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Expected numbers in cohort studies: Proceedings of a meeting held on 21st May 1984 at the MRC Environmental Epidemiology Unit (Scientific report)","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0903730111.html\">Expected numbers in cohort studies: Proceedings of a meeting held on 21st May 1984 at the MRC Environmental Epidemiology Unit (Scientific report)</a>","width":400,"height":300}