title: Comparison of aggregation of embryonic cells dissociated with trypsin or versene.
mesh_terms: D000818:Animals; D002449:Cell Aggregation / Q000187:drug effects; D002642:Chick Embryo; D046508:Culture Techniques; D004492:Edetic Acid / Q000494:pharmacology*; D004626:Embryology; D012160:Retina / Q000187:drug effects*; D014357:Trypsin / Q000494:pharmacology*
chemical_list: D004492:Edetic Acid; D014357:Trypsin