The role of the merino in medicine.
D000383:Agriculture / Q000266:history*; D000818:Animals; D001315:Australia; D001947:Breeding; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049711:History, Modern 1601-; D012756:Sheep; D013019:South Africa; D013030:Spain; D014935:Wool / Q000266:history*