Sang, H Episomal replication of cloned DNA injected into the fertilised ovum of the hen, Gallus domesticus. [electronic resource] - Molecular reproduction and development 1989 - 98-106 p. digital Publication Type: Journal Article ISSN: 1040-452X Standard No.: 10.1002/mrd.1080010204 doi Subjects--Topical Terms: AnimalsAnimals, Genetically ModifiedChickens--geneticsChloramphenicol O-Acetyltransferase--geneticsCloning, MolecularDNA--administration & dosageDNA ReplicationFemaleMicroinjectionsPlasmidsRestriction MappingZygote--metabolism