http://sangatuniksekali.blogspot.com/2012/01/maniak-konsumsi-daging-sel-kanker.html

http://www.voaindonesia.com/content/konsumsi-daging-merah-bisa-tingkatkan-risiko-kematian-dini-144142265/109330.html

http://beritasurabaya.net/index_sub.php?category=9&id=6652

http://www.oktomagazine.com/oktolifestyle/health/1741/kurangi.konsumsi.daging.merah