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FGF4 and Retinoic Acid Direct Differentiation of hESCs into PDX1-Expressing Foregut Endoderm in a Time- and Concentration-Dependent Manner
- Martina Johannesson,
- Anders Ståhlberg,
- Jacqueline Ameri,
- Fredrik Wolfhagen Sand,
- Karin Norrman,
- Henrik Semb
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- Published: March 11, 2009
- https://doi.org/10.1371/journal.pone.0004794