title: Microsurgical studies on human cells and cloning of HeLa cells.
mesh_terms: D002458:Cell Fractionation; D002999:Clone Cells; D006367:HeLa Cells; D006801:Humans; D008722:Methods; D008853:Microscopy / Q000295:instrumentation*; D008866:Microsurgery / Q000295:instrumentation; D009339:Needles