TY - RPRT TI - Cell position regulates endodermal differentiation in embryonal carcinoma cell aggregates. AU - M J Rosenstraus AU - J P Spadoro AU - J Nilsson PY - 1983 DO - 10.1016/0012-1606(83)90339-1 UR - https://pubmed.ncbi.nlm.nih.gov/6190691/ ID - 6190691 ER -