The Common liver fluke in sheep
By: [prepared by National Program Staff, Agricultural Research Service. -
Edition: Rev. Aug. 1975. -
Series: U.S. Dept. of Agriculture. Leaflet : no. 492
Publisher: The Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1975
Place of publication: Washington
Language: eng