01341nam2 22003137k 4500001001500000005001500015008004100030010002200071040001900093049001200112050003200124052002000156082004400176086001600220100003600236245006900272260008000341300002600421490010100447504002800548650002300576650002100599650003600620650003000656650002400686653013100710830006400841963012200905WMO000057043  19990813133229940212s1981    us a     b    000d  eng    a   81607044 //r88  a011001c0110010 lWM85569 0aS914b.A3 no. 142aQL391.P702a636.9089bF532k0 a636.9089a333.95/4/0973a639.9/7841219  aI 49.66:1421 aMcDonald, Malcolm Edwin,d1915-10aKey to trematodes reported in waterfowl/dby Malcolm E. McDonald  aWashington, D.C.:bU.S. Dept. of Interior, Fish and Wildlife Service,c1981  a156 p.:bill.;c26 cm10aResource publication / United States Department of the Interior, Fish and Wildlife Service;v142  aBibliography: p. 88-95. 0aAnatidaexDiseases 0aBirdsxParasites 0aPlatyhelminthesxIdentification 0aTrematodaxIdentification 0aWaterfowlxDiseases  aKEYaTREMATODESaREPORTEDaWATERFOWLaRESOURCEaPUBLICATIONaUNITEDaSTATESaDEPARTMENTaINTERIORaFISHaWILDLIFEaSERVICEaUS 0aResource publication (U.S. Fish and Wildlife Service);v142  aAnatidaeaBirdsaPlatyhelminthesaTrematodaaWaterfowlaDiseasesaParasitesaIdentificationaIdentificationaDiseases