00493nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067100001600076245008400092260004600176300000900222440002900231650004500260700001800305Para_4564CHAP220125s1946    xx            000 0 und d  a203045  cCHAP  aRude, C. S.  aA new treatment for screwworms in livestock  /c by C. S. Rude and O. H. Graham  aWashington  :b Department of Agriculture  a3 p.  aEUA. Dep. of Agri. E-708  aCochliomyia homnivorax  Ganado x Plagas  aGraham, O. H.