title: The exchange of radioactive calcium by unfertilized and fertilized Arbacia punctulata eggs with or without jelly coats.
authors.forename: F H
authors.initials: FH
authors.lastname: RUDENBERG
mesh_terms: D000818:Animals; D047308:Arbacia; D002118:Calcium; D002132:Calcium Radioisotopes; D012617:Sea Urchins; D015053:Zygote
chemical_list: D002132:Calcium Radioisotopes; D002118:Calcium