Meat hygiene: the changing years.
D000003:Abattoirs / Q000266:history*; D000818:Animals; D005506:Food Contamination; D005513:Food Inspection / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D006920:Hygiene; D008460:Meat / Q000266:history*; D006113:United Kingdom