TY - RPRT TI - Xhex-expressing endodermal tissues are essential for anterior patterning in Xenopus. AU - Lucy E Smithers AU - C Michael Jones PY - 2002 DO - 10.1016/s0925-4773(02)00361-1 UR - https://pubmed.ncbi.nlm.nih.gov/12464432/ ID - 12464432 ER -