DOUGLAS, J R The effect of divided dosage on the anthelmintic efficiency of phenothiazine in lambs. [electronic resource] - Journal of the American Veterinary Medical Association Oct 1957 - 369-71 p. digital Publication Type: Journal Article ISSN: 0003-1488 Subjects--Topical Terms: AnimalsAnthelminticsPhenothiazines--pharmacologySheep