Some studies of infectious laryngotracheitis virus cultivated in chicken embryo liver cells Croghan, Donald Lynn Virology--Research Thesis (M.S.)--Michigan State University of Agriculture and Applied Science. Dept. of Microbiology and Public Health, 1961 Includes bibliographical references (leaves 45-49) 1961 Text Theses vi, 49 leaves application/pdf etd:9374 local:MSU_31293030470003 https://doi.org/doi:10.25335/fy5k-kn94 English Electronic Theses & Dissertations In Copyright