title: Intracellular pH changes accompanying the activation of development in frog eggs: comparison of pH microelectrodes and 31P-NMR measurements.
mesh_terms: D000818:Animals; D001826:Body Fluids / Q000378:metabolism*; D005260:Female; D005306:Fertilization; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D007424:Intracellular Fluid / Q000378:metabolism*; D009682:Magnetic Resonance Spectroscopy; D008839:Microelectrodes; D010063:Ovum / Q000378:metabolism*; D014982:Xenopus laevis / Q000378:metabolism