Figure 1.

Morphological evaluation of human embryonic stem cell culture. Comparison of an undifferentiated colony (A: phase contrast, B: bright field image) with differentiated hES cells on day 3 (C, D) and day 5 (E, F) after retinoic acid induction (scale bars = 100 μm).

Vossaert et al. BMC Molecular Biology 2013 14:21   doi:10.1186/1471-2199-14-21
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