title: Cell aggregation: properties of cell surface factors from five species of sponge.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002449:Cell Aggregation; D002469:Cell Separation; D007930:Leucine / Q000378:metabolism; D008851:Micropore Filters; D011161:Porifera / Q000166:cytology* / Q000378:metabolism; D013045:Species Specificity; D013997:Time Factors; D014316:Tritium
chemical_list: D014316:Tritium; D007930:Leucine