Retraction notice to "The human placenta is a hematopoietic organ during the embryonic and fetal periods of development" [Dev. Biol. 327 (2009) 24–33]

Affiliations

• ¹ Institute for Regeneration Medicine, Human Embryonic Stem Cell Program, Department of Cell and Tissue Biology, University of California, San Francisco, 513 Parnassus Avenue, HSE-1619, San Francisco, CA 94143-0512, USA
• ² Blood Systems Research Institute, San Francisco, CA, USA
• ³ Department of Laboratory Medicine, University of California, San Francisco, CA, USA
• ⁴ Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, CA, USA