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Pluripotent analysis of HN4 in vivo. Confirmation of pluripotency of the hESC line HN4 in vivo. Histological analysis of teratomas from HN4 at passage 20: a secretory epithelium (endoderm), b cartilage and c fat cells (mesoderm), d neuroectoderm (ectoderm). Scale bar = 100 μm
