title: Progesterone-induced maturational events in oocytes of Xenopus laevis. I. Continuous necessity for diffusible calcium and magnesium.
mesh_terms: D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D003470:Culture Media; D004058:Diffusion; D005260:Female; D066298:In Vitro Techniques; D008274:Magnesium / Q000494:pharmacology*; D009994:Osmolar Concentration; D010053:Ovary; D010063:Ovum / Q000187:drug effects / Q000254:growth & development*; D011374:Progesterone / Q000494:pharmacology*; D013997:Time Factors; D014981:Xenopus
chemical_list: D003470:Culture Media; D011374:Progesterone; D008274:Magnesium; D002118:Calcium