Strain Variation in the Response of Sheep Nematodes to the Action of Phenothiazine. I. Studies of Mixed Infections in Experimental Animals
J.H. Drudge, D.V.M., Sc.D.; S.E. Leland, Jr., Ph.D.; Z.N. Wyant, A.M.
From Robinson Street Books, IOBA, Binghamton, NY, U.S.A.
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