{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Physical fitness and cardiac risk factors of professional firefighters across the career span. (Research Note--Physiology).(Statistical Data ... Research Quarterly for Exercise and Sport","author_name":"Steven C. Davis, Kristine Z. Jankovitz, Steven Rein","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0008FH8VG.html\">Physical fitness and cardiac risk factors of professional firefighters across the career span. (Research Note--Physiology).(Statistical Data ... Research Quarterly for Exercise and Sport</a>","width":400,"height":300}