tokens: We recently reported a placenta specific enhancer in the human leukemia inhibitory factor receptor ( LIFR ) gene and now show detailed characterization of the 226-base pair enhancer ( -4625 / -4400 nucleotides ) .
folded_tokens: we recently report a placenta specific enhancer in the human leukemia inhibitory factor receptor ( lifr ) gene and now show detailed characterization of the 226-base pair enhancer ( -4625 / -4400 nucleotide ) .