title: Effects of pronase on the development of reversed symmetry and duplications in the sea urchin, Arbacia punctulata.
mesh_terms: D000818:Animals; D001755:Blastocyst / Q000187:drug effects; D005260:Female; D008675:Metamorphosis, Biological / Q000187:drug effects; D011402:Pronase / Q000494:pharmacology*; D012617:Sea Urchins / Q000196:embryology* / Q000254:growth & development; D013997:Time Factors; D015053:Zygote / Q000187:drug effects*
chemical_list: D011402:Pronase