{HEAD ~ The method} comprises the steps of incubating {TAIL ~ the cells} in a dynamically or controlled environment which is maintained in a desired condition and in which the cells can be examined while the environment is dynamically controlled and maintained in the desired condition 
{ HEAD ~ The method } comprises the steps of incubating { TAIL ~ the cells } in a dynamically or controlled environment which is maintained in a desired condition and in which the cells can be examined while the environment is dynamically controlled and maintained in the desired condition
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