Brucellosis (Bovine Contagious Abortion).
Great Britain.Ministry of Agriculture, Fisheries and Food,issuing body.
Great Britain.Department of Agriculture and Fisheries for Scotland,issuing body.
Great Britain.Her Majesty's Stationery Office.
"Feb. 1965."
Joint publication of the Ministry of Agriculture, Fisheries and Food and the Department of Agriculture and Fisheries for Scotland.