Cells and Tissues in Culture: Methods, Biology and Physiology, Volume 3

acid activity agents amount animal antibody antigen appeared assay Biol cause cell cultures cell surface cellular changes chick chromosomes collagen containing continuous cytoplasm damage death demonstrated described differentiation division DNA synthesis dose effect electron embryo evidence experiments factor fibrils fibroblasts followed formation further giant growing grown growth human important increase indicated infected inhibition initial interest irradiation kidney known lines material measured mechanism medium membrane method microscope mitosis mitotic monkey mouse Nature normal noted nucleus observed obtained occurred organ particles period phase plaque possible preparation present Proc produced protein rabbit radiation rays recently reported response root seems seen sensitive showed shown similar specific stages strains structure studies substance suggested suspension synthesis technique tissue culture transformed tumor types vacuoles various viral Virology virus viruses vitro vivo whole