Fig3-E10.5_ERK5. [doi:10.1186/1471-213X-3-11] [PMID:14675480] Copyright: This image is from Yan L; Carr J; Ashby PR; Murry-Tait V; Thompson C; Arthur JS, "Knockout of ERK5 causes multiple defects in placental and embryonic development." BMC Dev Biol 2003 3:11, an open-access article distributed under the terms of theCreative Commons Attribution License