https://www.srcinhibitor.com/2016/08/01/adhering-to-incubation-37uc-five-co2-cells-ended-up-counted-by-incubation-in-37uc-utilizing-nikon-te2000e-inverted-microscope-built-in-with-nikon-ds5-cooled-ccd-camera-by-15-six-aim-brightfield-il/