title: Panel discussion: purification, structure, cDNA probes.
mesh_terms: D000818:Animals; D001141:Aromatase / Q000302:isolation & purification; D015342:DNA Probes; D006801:Humans; D008854:Microscopy, Electron; D010920:Placenta / Q000201:enzymology / Q000648:ultrastructure
chemical_list: D015342:DNA Probes; D001141:Aromatase