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2. Cell culture and cloning techniques;Cahn,1967
3. On the pericellular zone of some mammalian cells in vitro;Clarris;Exp. Cell Res,1968
4. Experiments on the development in vitro of the avian knee-joint;Fell,1934
5. On the reactions of human synovial cells exposed to homologous leucocytes in vitro;Fraser;Clin. Exp. Immunol,1970