TY - RPRT TI - Dorso-ventral ectodermal compartments and origin of apical ectodermal ridge in developing chick limb. AU - M Altabef AU - J D Clarke AU - C Tickle PY - 1997 DO - 10.1242/dev.124.22.4547 UR - https://pubmed.ncbi.nlm.nih.gov/9409672/ ID - 9409672 ER -