TY - RPRT TI - Inductive activity and enduring cellular constitution of a supernumerary apical ectodermal ridge grafted to the limb bud of the chick embryo. AU - J W Saunders AU - M T Gasseling AU - J E Errick PY - 1976 DO - 10.1016/0012-1606(76)90063-4 UR - https://pubmed.ncbi.nlm.nih.gov/1269827/ ID - 1269827 ER -