Bitencourt, F.J.L. Barreto Filho, J.B. Eiras, P.R.S. Prates, M.A. Golgher, R.R. Marques Junior, A.P. <br/><br/>
Alpha interferon is present in the allantoid fluid of the cow placenta in the beginning of gestation 

<br/><br/><label>Subjects--Topical Terms: </label><br/>Bovino<br/>Placenta<br/>Parto<br/>Prenhez